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Will Prater lists-wp at
Thu Jan 22 01:25:07 EST 2004

On Jan 21, 2004, at 2:09 PM, Pat Lashley wrote:

> Another advantage of Exim is that if using LMTPd over TCP/IP for
> Cyrus delivery, you can use a 'verify recipient/callout' ACL to
> both test for the existance of virtual users and also to detect
> Over Quota situations and issue a temporary failure code at SMTP
> RCPT time instead of accepting the message and leaving it in the
> MTA queue or trying to bounce it.

Can this be done with Postfix? I am using lmtp delivery to cyrus, but 
being able to check quotas at the SMTP level would be nice.



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