From: Alexey Lobanov (A.Lobanovcro-rct.ru)
Date: Wed Jan 30 2008 - 07:28:23 CST

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Hello.

30.01.2008 16:20, Wietse Venema пишет:

> Alexey Lobanov:
>>> If people wish to be anally retentive about RFC x82[12]
>> No, those people just do not want to accept explicitly malformed
>> messages which are undeliverable locally. A quite narrow task :-)
>
> This problem has nothing to do with 8-bit envelopes.
>
> Fix the RIGHT problem: configure local_recipient_maps etc.
> and don't accept mail for non-existent recipients.

Sorry: You misunderstood the problem. The recipients exist, but Cyrus
IMAP local delivery refuses to accept any mail *from* a fake 8-bit
*envelope-sender* address. In full accordance with RFC-2821 quoted in my
first message: "receiving systems SHOULD reject such commands, normally
using "500 syntax error - invalid character" replies.""

The best solution is to stop bogus messages at Postfix stage, and
check_sender_access pcre:mapname solves just this problem.

Alexey

>
> Wietse

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