> You really should not make up facts out of thin air, however popular that
> might be these days. Support for sending "SIZE=" in Postfix is at least
> 19 years old, with the MIME downgrade suppressing dating back 11 years.
>
https://github.com/vdukhovni/postfix/blame/master/postfix/src/smtp/smtp_proto.c#L1466
Ok, my bad. I mixed up with UTF8 support. So, 8BITMIME should be supported with
my postfix version.
>> Too bad… I’ll see if I can upgrade.
> Waste of time, why don't you post your config as requested. Also, make
sure
> that any network captures you are looking at or post are taken directly
> from your Postfix machine, and not on the other side of some too-clever
> firewall.
I’ve performed my network capture on the server running postfix itself.
Here is my configuration: https://pastebin.com/EKHvEveC
Regards
