DC iOS, a lot of time sending a email

Delta Chat version

iOS beta v960

**Expected behavior

As I have 4G some days ago DC sent quickly the mails. May be the trouble would be our Cuban company unhappy encrypted messages but that is just an idea.

Actual behavior

A lot of minutes to send emails.

Steps to reproduce the problem

Screen snapshots

Debug logs

2019-11-28 10:55:20.794 deltachat-ios[874:163082] - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.804 deltachat-ios[874:163082] <CATransformLayer: 0x2810d2c40> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.811 deltachat-ios[874:163082] <CATransformLayer: 0x2810ed160> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.816 deltachat-ios[874:163082] <CATransformLayer: 0x2810ee5e0> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.822 deltachat-ios[874:163082] <CATransformLayer: 0x2810ef9e0> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.834 deltachat-ios[874:163082] <CATransformLayer: 0x2810e5040> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.843 deltachat-ios[874:163082] <CATransformLayer: 0x2810e8f80> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.849 deltachat-ios[874:163082] <CATransformLayer: 0x2810e9b00> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.863 deltachat-ios[874:163082] <CATransformLayer: 0x2810e7600> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.873 deltachat-ios[874:163082] <CATransformLayer: 0x2810fcf80> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.879 deltachat-ios[874:163082] <CATransformLayer: 0x2810fe3e0> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.884 deltachat-ios[874:163082] <CATransformLayer: 0x2810ff880> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.892 deltachat-ios[874:163082] <CATransformLayer: 0x2810f8bc0> - changing property masksToBounds in transform-only layer, will have no effect

2019-11-28 10:55:20.897 deltachat-ios[874:163082] <CATransformLayer: 0x2810e1900> - changing property masksToBounds in transform-only layer, will have no effect

10:55:20.631 :blue_heart: INFO AppDelegate.application():60 - launching

10:55:20.634 :blue_heart: INFO AppDelegate.open():134 - open: /var/mobile/Containers/Data/Application/15C22019-B78D-4B78-8674-4C22C894283B/Library/messenger.db

10:55:20.634 :blue_heart: INFO events.callbackSwift():27 - event: Opened “/var/mobile/Containers/Data/Application/15C22019-B78D-4B78-8674-4C22C894283B/Library/messenger.db”.

1

10:55:20.695 :blue_heart: INFO AppDelegate.start():196 - ---- start ----

10:55:20.699 :blue_heart: INFO AppDelegate.registerBackgroundTask():285 - background task registered

10:55:20.699 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:55:20.700 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs ended.

10:55:20.700 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle started…

10:55:20.702 :blue_heart: INFO AppDelegate.getCoreInfo():36 - sentbox_watch=1

bcc_self=0

fingerprint=01FCB7BA84271A4F7114DFC9A71ED9D005BA5985

database_dir=/var/mobile/Containers/Data/Application/15C22019-B78D-4B78-8674-4C22C894283B/Library/messenger.db

arch=64

mvbox_move=1

mdns_enabled=1

sqlite_version=3.29.0

folders_configured=3

inbox_watch=1

display_name=*****

level=awesome

configured_sentbox_folder=Sent

deltachat_core_version=v1.0.0-beta.8

database_version=59

mvbox_watch=1

messages_in_contact_requests=1

used_account_settings=@nauta.cu imap:@nauta.cu::imap.nauta.cu:143:cert_automatic smtp:*@nauta.cu::smtp.nauta.cu:25:cert_automatic AUTH_NORMAL IMAP_PLAIN SMTP_PLAIN

number_of_chat_messages=9104

e2ee_enabled=1

private_key_count=1

is_configured=1

entered_account_settings=unset imap:unset:0:unset:0:cert_automatic smtp:unset:0:unset:0:cert_automatic 0

configured_mvbox_folder=DeltaChat

blobdir=/var/mobile/Containers/Data/Application/15C22019-B78D-4B78-8674-4C22C894283B/Library/messenger.db-blobs

public_key_count=20

sqlite_thread_safe=1

number_of_contacts=495

number_of_chats=26

10:55:20.716 :blue_heart: INFO AppDelegate.registerBackgroundTask():285 - background task registered

10:55:20.716 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:20.716 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:20.717 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_sentbox_jobs EMPTY (for now).

10:55:20.721 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_mbox_jobs EMPTY (for now).

10:55:20.908 :yellow_heart: WARNING events.callbackSwift():73 - network: IMAP-LOGIN as *******@nauta.cu, capabilities: Atom(“SORT”) Atom(“SASL-IR”) Atom(“LIST-EXTENDED”) Imap4rev1 Atom(“MULTIAPPEND”) Atom(“WITHIN”) Atom(“URL-PARTIAL”) Atom(“CONDSTORE”) Atom(“SEARCHRES”) Atom(“SPECIAL-USE”) Atom(“QUOTA”) Atom(“THREAD=ORDEREDSUBJECT”) Atom(“LITERAL+”) Atom(“CATENATE”) Atom(“LIST-STATUS”) Atom(“QRESYNC”) Atom(“CONTEXT=SEARCH”) Atom(“UNSELECT”) Atom(“UIDPLUS”) Atom(“ESEARCH”) Atom(“SORT=DISPLAY”) Atom(“ENABLE”) Atom(“LOGIN-REFERRALS”) Atom(“THREAD=REFERENCES”) Atom(“NAMESPACE”) Atom(“ESORT”) Atom(“MOVE”) Atom(“ID”) Atom(“IDLE”) Atom(“CHILDREN”) Atom(“THREAD=REFS”) Atom(“BINARY”) Atom(“I18NLEVEL=1”)

10:55:20.908 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:20.915 :yellow_heart: WARNING events.callbackSwift():73 - network: IMAP-LOGIN as *******@nauta.cu, capabilities: Atom(“QUOTA”) Atom(“SPECIAL-USE”) Atom(“LIST-STATUS”) Atom(“CHILDREN”) Atom(“THREAD=REFS”) Atom(“LOGIN-REFERRALS”) Atom(“WITHIN”) Atom(“LITERAL+”) Atom(“CONTEXT=SEARCH”) Atom(“CONDSTORE”) Atom(“MOVE”) Atom(“ENABLE”) Atom(“LIST-EXTENDED”) Atom(“ID”) Atom(“IDLE”) Atom(“CATENATE”) Atom(“I18NLEVEL=1”) Atom(“SASL-IR”) Atom(“NAMESPACE”) Atom(“SEARCHRES”) Atom(“SORT”) Atom(“SORT=DISPLAY”) Atom(“ESEARCH”) Atom(“ESORT”) Atom(“UIDPLUS”) Atom(“THREAD=REFERENCES”) Atom(“QRESYNC”) Imap4rev1 Atom(“UNSELECT”) Atom(“BINARY”) Atom(“THREAD=ORDEREDSUBJECT”) Atom(“URL-PARTIAL”) Atom(“MULTIAPPEND”)

10:55:20.915 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-fetch started…

10:55:20.924 :yellow_heart: WARNING events.callbackSwift():73 - network: IMAP-LOGIN as ********@naulow-level: dropping stop-source to interrupt idle

low-level: dropping stop-source to interrupt idle

ta.cu, capabilities: Atom(“THREAD=ORDEREDSUBJECT”) Atom(“CATENATE”) Atom(“IDLE”) Atom(“URL-PARTIAL”) Atom(“ENABLE”) Atom(“CONTEXT=SEARCH”) Atom(“SPECIAL-USE”) Atom(“ESORT”) Atom(“LIST-STATUS”) Atom(“ID”) Atom(“UIDPLUS”) Atom(“LITERAL+”) Atom(“LIST-EXTENDED”) Atom(“MULTIAPPEND”) Atom(“CONDSTORE”) Atom(“WITHIN”) Atom(“SORT=DISPLAY”) Atom(“SORT”) Atom(“LOGIN-REFERRALS”) Atom(“NAMESPACE”) Atom(“BINARY”) Atom(“CHILDREN”) Atom(“MOVE”) Atom(“QRESYNC”) Atom(“SASL-IR”) Atom(“I18NLEVEL=1”) Atom(“THREAD=REFERENCES”) Imap4rev1 Atom(“SEARCHRES”) Atom(“QUOTA”) Atom(“THREAD=REFS”) Atom(“UNSELECT”) Atom(“ESEARCH”)

10:55:20.924 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch started…

10:55:20.935 :blue_heart: INFO Cellular.reachabilityChanged():268 - network: reachable

10:55:20.951 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting SMTP-idle…

10:55:20.951 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=true

10:55:20.951 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle ended.

10:55:20.951 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:55:20.951 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs ended.

10:55:20.952 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle started…

10:55:20.995 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “Sent”.

10:55:20.995 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-fetch done in 79 ms.

10:55:20.995 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-IDLE started…

10:55:21.007 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “DeltaChat”.

10:55:21.007 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch done in 83 ms.

10:55:21.007 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE started…

10:55:21.033 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:21.047 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:21.056 :blue_heart: INFO events.callbackSwift():27 - event: Receiving message INBOX/49461…

10:55:21.097 :blue_heart: INFO events.callbackSwift():27 - event: Message has 1 parts and is assigned to chat #11.

10:55:21.104 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:21.104 :yellow_heart: WARNING events.callbackSwift():31 - event: could not interrupt idle: try_lock failed because the operation would block

10:55:21.134 :blue_heart: INFO events.callbackSwift():27 - event: received message 49461 has Message-Id: Mr.-LoEMQXDLdW.jazvVAhuEwd@testrun.org

10:55:21.143 :blue_heart: INFO events.callbackSwift():116 - notifications: added <UNMutableNotificationContent: 0x282bc7330; title: , subtitle: (null), body: , summaryArgument: , summaryArgumentCount: 0, categoryIdentifier: , launchImageName: , threadIdentifier: , attachments: (

), badge: (null), sound: <UNNotificationSound: 0x283bc19d0>, realert: 0

10:55:21.209 :blue_heart: INFO events.callbackSwift():27 - event: 1 mails read from “INBOX”.

10:55:21.261 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:21.261 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 353 ms.

10:55:21.261 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE will not be started because of waiting jobs.

10:55:21.261 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:21.262 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:21.263 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:21.263 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting MVBOX-IDLE…

10:55:21.263 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting SENTBOX-IDLE…

10:55:21.263 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:21.264 :blue_heart: INFO events.callbackSwift():27 - event: Idle-wait timeout or interruption

10:55:21.264 :blue_heart: INFO events.callbackSwift():27 - event: Idle-wait timeout or interruption

10:55:21.294 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE ended…

10:55:21.294 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:21.295 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_mbox_jobs EMPTY (for now).

10:55:21.295 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 31 ms.

10:55:21.295 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE will not be started as it was interrupted while not ideling.

10:55:21.295 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:21.295 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17603, action MoveMsg started…

10:55:21.295 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch started…

10:55:21.300 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-IDLE ended…

10:55:21.300 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_sentbox_jobs EMPTY (for now).

10:55:21.300 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-fetch started…

10:55:21.345 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “Sent”.

10:55:21.345 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “DeltaChat”.

10:55:21.345 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch done in 49 ms.

10:55:21.346 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-fetch done in 45 ms.

10:55:21.346 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE will not be started as it was interrupted while not ideling.

10:55:21.346 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_mbox_jobs EMPTY (for now).

10:55:21.346 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch started…

10:55:21.346 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-IDLE will not be started as it was interrupted while not ideling.

10:55:21.346 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_sentbox_jobs EMPTY (for now).

10:55:21.347 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-fetch started…

10:55:21.378 :yellow_heart: WARNING events.callbackSwift():174 - unknown event: 105

10:55:21.386 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “Sent”.

10:55:21.386 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-fetch done in 40 ms.

10:55:21.407 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:21.407 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:21.416 :blue_heart: INFO events.callbackSwift():27 - event: SENTBOX-IDLE started…

10:55:21.443 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:21.444 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 35 ms.

10:55:21.444 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE started…

10:55:21.450 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:21.458 :blue_heart: INFO events.callbackSwift():27 - event: Skipping message Mr.-LoEMQXDLdW.jazvVAhuEwd@testrun.org from “DeltaChat” by precheck.

10:55:21.474 :blue_heart: INFO events.callbackSwift():27 - event: 1 mails read from “DeltaChat”.

10:55:21.478 :blue_heart: INFO events.callbackSwift():27 - event: Idle wait was skipped

10:55:21.509 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “DeltaChat”.

10:55:21.509 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch done in 162 ms.

10:55:21.510 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE started…

10:55:21.520 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE ended…

10:55:21.521 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:21.521 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:21.522 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:21.547 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:21.548 :blue_heart: INFO events.callbackSwift():27 - event: Idle has NewData

10:55:21.559 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:21.559 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 37 ms.

10:55:21.560 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE started…

10:55:21.581 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE ended…

10:55:21.582 :blue_heart: INFOlow-level: dropping stop-source to interrupt idle

2019-11-28 10:55:29.561 deltachat-ios[874:163082] API error: <_UIKBCompatInputView: 0x1219838b0; frame = (0 0; 0 0); layer = <CALayer: 0x2810999c0>> returned 0 width, assuming UIViewNoIntrinsicMetric

2019-11-28 10:55:29.562 deltachat-ios[874:163082] API error: <_UIKBCompatInputView: 0x1219838b0; frame = (0 0; 0 0); layer = <CALayer: 0x2810999c0>> returned 0 width, assuming UIViewNoIntrinsicMetric

events.callbackSwift():27 - event: dc_perform_mbox_jobs EMPTY (for now).

10:55:21.583 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch started…

10:55:21.596 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:21.617 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “DeltaChat”.

10:55:21.617 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch done in 34 ms.

10:55:21.618 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE started…

10:55:21.650 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:23.672 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9910.

10:55:23.678 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:23.678 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:23.678 :blue_heart: INFO events.callbackSwift():76 - change: 2000

10:55:23.679 :blue_heart: INFO events.callbackSwift():27 - event: Idle-wait timeout or interruption

10:55:23.725 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE ended…

10:55:23.725 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:23.726 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17604, action MarkseenMsgOnImap started…

10:55:23.757 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9477 as seen…

10:55:23.814 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:23.814 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:23.888 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:23.888 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 73 ms.

10:55:23.888 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE will not be started as it was interrupted while not ideling.

10:55:23.888 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:23.888 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:23.888 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:23.920 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:23.921 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 32 ms.

10:55:23.921 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE started…

10:55:23.955 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:24.313 :blue_heart: INFO events.callbackSwift():27 - event: Idle has NewData

10:55:24.350 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE ended…

10:55:24.351 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_mbox_jobs EMPTY (for now).

10:55:24.351 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch started…

10:55:24.384 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “DeltaChat”.

10:55:24.384 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch done in 33 ms.

10:55:24.385 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE started…

10:55:24.426 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:44.233 :yellow_heart: WARNING events.callbackSwift():174 - unknown event: 150

10:55:44.257 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting SMTP-idle…

10:55:44.257 :blue_heart: INFO events.callbackSwift():76 - change: 2000

10:55:44.258 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle ended.

10:55:44.258 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:55:44.259 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605, action SendMsgToSmtp started…

10:55:44.463 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605 not succeeded on try #1, retry in ADD_TIME+1 (in 1 seconds).

10:55:44.464 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs ended.

10:55:44.464 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle started…

10:55:45.503 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle ended.

10:55:45.504 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:55:45.504 :blue_heart: INFO evelow-level: dropping stop-source to interrupt idle

nts.callbackSwift():27 - event: SMTP-job #17605, action SendMsgToSmtp started…

10:55:45.706 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605 not succeeded on try #2, retry in ADD_TIME+1 (in 0 seconds).

10:55:45.706 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs ended.

10:55:45.707 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle started…

10:55:45.707 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle ended.

10:55:45.707 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:55:45.708 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605, action SendMsgToSmtp started…

10:55:45.911 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605 not succeeded on try #3, retry in ADD_TIME+88 (in 87 seconds).

10:55:45.912 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs ended.

10:55:45.912 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle started…

10:55:56.874 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9892.

10:55:56.880 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.880 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.880 :blue_heart: INFO events.callbackSwift():27 - event: Idle-wait timeout or interruption

10:55:56.886 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9893.

10:55:56.892 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.892 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.897 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9898.

10:55:56.902 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.902 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.908 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9899.

10:55:56.932 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE ended…

10:55:56.932 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:56.940 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17606, action MarkseenMsgOnImap started…

10:55:56.946 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.946 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.951 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9900.

10:55:56.956 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.957 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.962 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9902.

10:55:56.968 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.968 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.974 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9904.

10:55:56.978 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.979 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.984 :blue_heart: INFO events.callbackSwift():27 - event: Seen message Msg#9908.

10:55:56.989 :blue_heart: INFO events.callbackSwift():27 - event: interrupt_inbox_idle called blocking=false

10:55:56.989 :blue_heart: INFO events.callbackSwift():27 - event: Interrupting INBOX-IDLE…

10:55:56.989 :blue_heart: INFO events.callbackSwift():76 - change: 2000

10:55:57.129 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9462 as seen…

10:55:57.186 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17607, action MarkseenMsgOnImap started…

10:55:57.186 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9463 as seen…

10:55:57.224 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17608, action MarkseenMsgOnImap started…

10:55:57.224 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9468 as seen…

10:55:57.277 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:57.278 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:57.353 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:57.353 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 75 ms.

10:55:57.353 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE will not be started as it was interrupted while not ideling.

10:55:57.353 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:57.354 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17609, action MarkseenMsgOnImap started…

10:55:57.367 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17610, action MarkseenMsgOnImap started…

10:55:57.395 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9470 as seen…

10:55:57.442 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17611, action MarkseenMsgOnImap started…

10:55:57.442 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9472 as seen…

10:55:57.491 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17612, action MarkseenMsgOnImap started…

10:55:57.492 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9474 as seen…

10:55:57.531 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-job #17613, action MarkseenMsgOnImap started…

10:55:57.531 :blue_heart: INFO events.callbackSwift():27 - event: Marking message DeltaChat/9476 as seen…

10:55:57.571 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:57.572 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:57.637 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:57.637 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 65 ms.

10:55:57.637 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE started…

10:55:57.667 :blue_heart: INFO events.callbackSwift():27 - event: Idle has NewData

10:55:57.673 :blue_heart: INFO events.callbackSwift():27 - event: Idle wait was skipped

10:55:57.714 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE ended…

10:55:57.714 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_mbox_jobs EMPTY (for now).

10:55:57.715 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch started…

10:55:57.716 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE ended…

10:55:57.716 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs starting.

10:55:57.716 :blue_heart: INFO events.callbackSwift():27 - event: dc_perform_inbox_jobs ended.

10:55:57.716 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch started…

10:55:57.748 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “DeltaChat”.

10:55:57.748 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-fetch done in 34 ms.

10:55:57.749 :blue_heart: INFO events.callbackSwift():27 - event: MVBOX-IDLE started…

10:55:57.755 :blue_heart: INFO events.callbackSwift():27 - event: 0 mails read from “INBOX”.

10:55:57.756 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-fetch done in 39 ms.

10:55:57.756 :blue_heart: INFO events.callbackSwift():27 - event: INBOX-IDLE started…

10:55:57.779 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:55:57.795 :blue_heart: INFO events.callbackSwift():27 - event: Idle entering wait-on-remote state

10:57:12.967 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle ended.

10:57:12.967 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:57:12.967 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605, action SendMsgToSmtp started…

10:57:13.278 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605 not succeeded on try #4, retry in ADD_TIME+1 (in -88 seconds).

10:57:13.279 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs ended.

10:57:13.279 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle started…

10:57:13.279 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-idle ended.

10:57:13.279 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-jobs started…

10:57:13.279 :blue_heart: INFO events.callbackSwift():27 - event: SMTP-job #17605, action SendMsgToSmtp

Logs
<!--
If applicable, debug logs can be copied from within the Delta Chat app: 

Open the _Settings_ menu -> _About_ -> _version number|Info_.

Alternatively from the Android system log:

` adb logcat -v time -s DeltaChat `

This log contains private data (e.g. mail address, provider information) which shall be removed or anonymised prior to posting.
-->


Have you made a speedtest?, sounds like your actual connection to your email server is still slow.
4G is a technology that supports faster transfer speeds, but that doesn’t mean its always fast.

Problem maybe related,
NAUTA server.
Android 9

Quite often after a period of inactivity the first message is delayed in sending, then the others are sent well.

Note: I don’t think it has to do with encryption …