[Dovecot] Dovecot LDA and "undeliverable" emails

Kat Wisnosky kat at advancedmicrotargeting.com
Wed Mar 18 18:54:57 EET 2009


> Date: Wed, 18 Mar 2009 00:31:32 -0400
> From: Bill Cole <dovecot-20061108 at billmail.scconsult.com>
> Subject: Re: [Dovecot] Dovecot LDA and "undeliverable" emails
> To: Dovecot Mailing List <dovecot at dovecot.org>
> Message-ID: <49C07924.7080707 at billmail.scconsult.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Kat Wisnosky wrote, On 3/16/09 1:35 PM:
>>
>> I googled around looking for this, apparantly my google-fu is failing 
>> this
>> morning.  I just switched over to using a Postfix/Dovecot virtual set-up
>> with Dovecot as the delivery agent.  One of my users mistyped his email
>> address when he paid for something through Paypal and the reciept got
>> forwarded to everyone.  It didn't bounce or just go to Postmaster, it was
>> delivered to every valid user on the system.
>>
>> Below is my conf comments stripped:
>
> Dovecot config is irrelevant. This is a Postfix configuration issue. 
> You've
> provided the proof of that:
>
>
>> And here's the mail.log from a test message that I sent out:
>> Mar 16 09:52:46 byron postfix/smtpd[24082]: C75E84F006D:
>> client=unknown[xxx.xx.xxx.xx], sasl_method=LOGIN,
>> sasl_username=kat at amtpolitics.com
>> Mar 16 09:52:46 byron postfix/cleanup[24085]: C75E84F006D:
>> message-id=<46497375E9264D2BA3BFB31BE37918BC at Kat>
>> Mar 16 09:52:46 byron postfix/qmgr[19409]: C75E84F006D:
>> from=<kat at amtpolitics.com>, size=887, nrcpt=10 (queue active)
>
> That says that the message from you had 10 recipients as Postfix was
> queueing it, *BEFORE* it tried any delivery. It is not possible for the
> Dovecot LDA to be involved in whatever caused the message to have 10
> recipients.
>
> If you cannot figure out why that is happening from looking at your 
> Postfix
> config, I would suggest a visit to the Postfix Users' list.

Uhg, I win the CluelessnUnobservant Award for this.  Thanks everyone for the 
followups.

I caught that myself yesterday and fixed the problem on Postfix's side.  To 
sum up in case anyone else runs in to this, the mistake I made was in 
assuming that Postfix just made the handoff to Dovecot and that Dovecot 
would handle the rest, so I commented out the parts of the old config where 
Postfix handled this when I was using Postfix virtual transport.  Once I 
restored those and gave Postfix the query it needed, it worked fine.

Thanks for bearing with me, everyone.

Kat 



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