Socks5 what can happen?

About socks5 it says

socks5 support is …

Can you specify which leaks may occur?

What about running deltachat in combination
with torsocks or proxychains? Will that
get all data over tor? Thank you.

which map tiles you open in the desktop version for example, but mail traffic and dns should go over the socks5 connection. I guess proxychains would work, though I didn’t try it yet. You could look into it with Wireshark I guess?