[exim[ LMTP callouts

[Andrzej Filip]

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Ken Murchison wrote:
> Andrzej Filip wrote:
> 
>> 1) Is it possible to make exim verify existence of Cyrus mailboxes via 
>> LMTP callouts ? [something like already implemented SMTP callouts]
>>
>> Exim can verify sender/recipient addresses by issuing "RCPT TO:" in 
>> special SMTP session.
>>
>> [ I have already asked similar question in exim-users at exim.org ]
>>
>> 2) Would such recipient verification procedure create any problems for 
>> cyrus ?
> 
> I think the easiest way for any MTA to verify the existence of Cyrus 
> mailboxes via LMTP is for the MTA to issue the VRFY command to lmtpd. 
> This currently isn't implemented in lmtpd, but it would take me about 5 
> minutes to do so.  The special "map" protocols that Sendmail and Postfix 
> use are nice, but they are overkill for verifying Cyrus mailboxes.

You are right but using special "map" does not require creating special 
patches for sendmail and postfix.

There is also another possible way:
Making cyrus capable to "auto create" mailboxes for existing LDAP 
entries. It will allow MTA to simply check LDAP entry presence and send 
the message even when mailbox have not been created yet.

- -- 
Andrzej [en:Andrew] Adam Filip anfi at priv.onet.pl anfi at xl.wp.pl
http://anfi.homeunix.net/ http://slashdot.org/~anfi
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