Am 16.01.2013 22:39, schrieb Wietse Venema:
Bernhard Schmidt:
Hello,

I did not find it in the manpage, in the odd chance I missed it, is
there something like check_sasl_access or check_username_access for
smtpd_mumble_restrictions?

We just had a compromised account being abused for spamming. We had him
on the radar before he even got his first mail delivered due to
reject_sender_login_mismatch, but

Use reject_sender_login_mismatch so they must use their own sender
address, then block that address with check_sender_access.

Sure, that's what we did in the end, but as I said the account had several addresses associated to. So if you miss the one they used you are out of luck.

Just wondered whether I missed something, you can check on almost everything in postfix, but not the sasl_username .

Thanks for Postfix :-)
Bernhard

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