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On Sun, 19 Oct 2008, Sotiris Tsimbonis wrote:
But how do we move the rejection at smtp level using sendmail+dovecot lda?
When a recipient is valid, the mail is queued locally, then the delivery attempt is made. That means that the SMTP dialogue has been closed already, before the MDA is invoked. sendmail has quite a strict separation between MTA and MDA, or to put it in other words it supports only the basic Unix-style /var/mail/system_user mboxes natively.
About "Switch to postfix":
How handles postfix the situation, when you mail to an alias with several recipients, one of them is overquota? Is the mail tempfailed for all of them?
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Well, you could deploy a milter that verifies the recipients at RCPT TO stage. Depending on your config it may be difficult to map recipient addresses to the particular mail storage (esp. if probed on mail relays).
If you have a strict naming policy, you can put all users over quota into the access DB and update them regularily - thus avoding the milter.
Bye,
Steffen Kaiser -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux)
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