Re: How to tell postfix to quit sending the same mail over and over again

Phew...

Thanks, Franz, I was able to interfere with wallace to stop that 
madness,
didn't find an interpretable (for me) error though.

I've ended up filtering files by creation date + size and bombed them 
into oblivion.

Not the most elegant way, but, hey, if it works. ;)

I wishing you all a nice day

Torben

-- 

  LIESEGANG GMBH

Stadtweg 22 • 24837 Schleswig

Tel.: +49 (4621) 99 46 07 3
Fax: +49 (4621) 99 46 07 0
GPG/PGP ID: CE040A70

Am 24.04.2019 22:28, schrieb Skale, Franz:
> Hi  Torben,
> i had the same issue some time ago.
> I ended up checking amavis and clamav.
> Check the logfiles:
> /var/log/amavisd.log
> /var/log/clamav/clamav.log
> for errors.
> Also check wallaced and the pykolab logfile.
> Stop wallace and start it in the foreground using the options:
>  -d DEBUGLEVEL, --debug=DEBUGLEVEL
>                         Set the debugging verbosity. Maximum is 9, 
> tracing
>                         protocols like LDAP, SQL and IMAP.
> 
> E.g:
> /usr/sbin/wallaced -l debug -d 9 --user kolab
> Examine the output !
> 
> I changed my scan settings for clamav: (clamd.conf) SSD Storage !
> MaxScanSize 200M
> MaxFileSize 100M
> 
> Hopefully it will help you to get to the root cause !
> Best regards
> Franz
> 
> 
> Am 2019-04-24 19:32, schrieb T. Mohrfeldt (Liesegang GmbH):
>> Thanks for your input, Chris,
>> 
>> I already looked at the postfix queue, and occasionally see the
>> aforementioned mail,
>> but each time with an new ID, so deleting might stop one mail from
>> heading off, but not the flood.
>> 
>> I fear looking in maillog, because I'm super bad at finding the
>> relevant parts (especially with >50 users accounts and their
>> interactions), but I might to take a bite of that sour apple and poke
>> through...
>> 
>> My theory is that the receiving server doesn't signal my server the
>> complete transmission of the mail, but it's just a wild guess.
>> And so I need to stop that on my side, but I am really puzzled from
>> where postfix get's the mail handed over...
>> 
>> 
>> Torben
>> 
>> --
>> 
>>  LIESEGANG GMBH
>> 
>> Stadtweg 22 • 24837 Schleswig
>> 
>> Tel.: +49 (4621) 99 46 07 3
>> Fax: +49 (4621) 99 46 07 0
>> GPG/PGP ID: CE040A70
>> 
>> 
>> Am 24.04.2019 17:52, schrieb Chris Fleming:
>> 
>>> I would start by looking at postfix queues:
>>> 
>>> mailq - will list everythings in queues. You can delete using
>>> 
>>> postsuper -D
>>> 
>>> Also I presume that you've checked the mail logs, to see if there are 
>>> any clues?
>>> 
>>> Cheers Chris
>>> 
>>> On 24/04/19 at 04:06pm, T. Mohrfeldt (Liesegang GmbH) wrote:
>>> 
>>>> Hello fellow Kolab users,
>>>> 
>>>> I'm struggling with a serious problem here.
>>>> 
>>>> One of my users sent a very large e-mail (round about 32m) to a 
>>>> business partner of us. All went as expected. But my server won't 
>>>> stop sending this particular mail. I already deleted it from the 
>>>> users mailbox (via bash and via roundcube) nontheless the floodgates 
>>>> are still open and roughly all 15 seconds our business partner 
>>>> receives this mail.
>>>> 
>>>> Till now he's a good sport about it, but I'd rather stop his agony 
>>>> and put an halt to this.
>>>> 
>>>> But I have no clue from which service/directory/whatever this e-mail 
>>>> gets pumped into postfix.
>>>> 
>>>> ANY hints where exactly to look and how I can stop this behaviour is 
>>>> HIGHLY appreciated from my side.
>>>> 
>>>> Server: CentOS7 System and Kolab fully patched.
>>>> 
>>>> With kind regards
>>>> 
>>>> Torben Mohrfeldt
>>>> 
>>>> --
>>>> 
>>>> LIESEGANG GMBH
>>>> 
>>>> Stadtweg 22 * 24837 Schleswig
>>>> 
>>>> Tel.: +49 (4621) 99 46 07 3 Fax: +49 (4621) 99 46 07 0 GPG/PGP ID: 
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