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* Rachid Abdelkhalak <email@example.com>:
> Can i force users to SMTP-Auth when they use SMTP commands (Telnet
> 25 port of my server) to send emails from my domain?
Yes, you can. The SASL_README mentions filters around smtpd_sender_login_maps.
Also, if you can, you may simply split incoming and ougoing traffic by ports -
use 25 for incoming and 587 (submission) for outgoing (originating) traffic.
On 587 require SMTP AUTH and recject anything else.
-- All technical questions asked privately will be automatically answered on the list and archived for public access unless privacy is explicitely required and justified. saslfinger (debugging SMTP AUTH): <http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>