[Dovecot] Redirecting mail gives 'mail forwarding loop' to the sender - calling for sieve help

[Andrés Yacopino]

Well i delete the antispam and antivirus to make a more easy reading 
logfile:
>
>
> Aug 14 21:40:23 acamail postfix/smtpd[11036]: 8849C6FEE9: 
> client=acamail.acasalud.com.ar[127.0.0.1]
> Aug 14 21:40:23 acamail postfix/cleanup[11038]: 8849C6FEE9: 
> message-id=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>
> Aug 14 21:40:23 acamail postfix/qmgr[10830]: 8849C6FEE9: 
> from=<sender_user at acasalud.com.ar>, size=1011, nrcpt=1 (queue active)
> Aug 14 21:40:23 acamail postfix/smtpd[11036]: disconnect from 
> acamail.acasalud.com.ar[127.0.0.1]
> Aug 14 21:40:23 acamail dovecot: imap-login: Login: 
> user=<sender_user>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
> Aug 14 21:40:23 acamail dovecot: deliver(usera at acasalud.com.ar): 
> sieve: msgid=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>: 
> stored mail into mailbox 'INBOX'
> Aug 14 21:40:23 acamail postfix/pickup[10831]: A9DA56FEED: uid=40 
> from=<sender_user at acasalud.com.ar>
> Aug 14 21:40:23 acamail postfix/cleanup[11038]: A9DA56FEED: 
> message-id=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>
> Aug 14 21:40:23 acamail dovecot: deliver(usera at acasalud.com.ar): 
> sieve: msgid=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>: 
> forwarded to <userb at acasalud.com.ar>
> Aug 14 21:40:23 acamail postfix/pipe[11039]: 8849C6FEE9: 
> to=<usera at acasalud.com.ar>, relay=dovecot, delay=0.15, 
> delays=0.07/0.03/0/0.06, dsn=2.0.0, status=sent (delivered via dovecot 
> service)
> Aug 14 21:40:23 acamail postfix/qmgr[10830]: 8849C6FEE9: removed
> Aug 14 21:40:23 acamail postfix/qmgr[10830]: A9DA56FEED: 
> from=<sender_user at acasalud.com.ar>, size=1198, nrcpt=1 (queue active)
> Aug 14 21:40:23 acamail dovecot: IMAP(sender_user): Disconnected: 
> Logged out bytes=887/438
> Aug 14 21:40:23 acamail dovecot: imap-login: Login: 
> user=<sender_user>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
> Aug 14 21:40:24 acamail dovecot: deliver(userb at acasalud.com.ar): 
> sieve: msgid=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>: 
> stored mail into mailbox 'INBOX'
> Aug 14 21:40:24 acamail dovecot: IMAP(sender_user): Disconnected: 
> Logged out bytes=139/1580
> Aug 14 21:40:24 acamail dovecot: deliver(userb at acasalud.com.ar): 
> sieve: msgid=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>: 
> forwarded to <userb at acasalud.com.ar>
> Aug 14 21:40:24 acamail postfix/pipe[11039]: A9DA56FEED: 
> to=<userb at acasalud.com.ar>, relay=dovecot, delay=0.44, 
> delays=0.03/0.03/0/0.39, dsn=2.0.0, status=sent (delivered via dovecot 
> service)
> Aug 14 21:40:24 acamail postfix/qmgr[10830]: A9DA56FEED: removed
> Aug 14 21:40:24 acamail postfix/pickup[10831]: 2064C6FEEC: uid=40 
> from=<sender_user at acasalud.com.ar>
> Aug 14 21:40:24 acamail postfix/cleanup[11038]: 2064C6FEEC: 
> message-id=<921466190722c1dd536fd75de5756eb4.squirrel at 10.11.0.21>
> Aug 14 21:40:24 acamail postfix/qmgr[10830]: 2064C6FEEC: 
> from=<sender_user at acasalud.com.ar>, size=1354, nrcpt=1 (queue active)
> Aug 14 21:40:24 acamail postfix/pipe[11039]: 2064C6FEEC: 
> to=<userb at acasalud.com.ar>, relay=dovecot, delay=0.07, 
> delays=0.06/0/0/0.01, dsn=5.4.6, status=bounced (mail forwarding loop 
> for userb at acasalud.com.ar)
> Aug 14 21:40:24 acamail postfix/cleanup[11038]: 262F06FEED: 
> message-id=<20090815004024.262F06FEED at acamail.acasalud.com.ar>
> Aug 14 21:40:24 acamail postfix/qmgr[10830]: 262F06FEED: from=<>, 
> size=3282, nrcpt=1 (queue active)
> Aug 14 21:40:24 acamail postfix/bounce[11050]: 2064C6FEEC: sender 
> non-delivery notification: 262F06FEED
> Aug 14 21:40:24 acamail postfix/qmgr[10830]: 2064C6FEEC: removed
> Aug 14 21:40:24 acamail dovecot: deliver(sender_user at acasalud.com.ar): 
> sieve: msgid=<20090815004024.262F06FEED at acamail.acasalud.com.ar>: 
> stored mail into mailbox 'INBOX'
> Aug 14 21:40:24 acamail postfix/pipe[11039]: 262F06FEED: 
> to=<sender_user at acasalud.com.ar>, relay=dovecot, delay=0.04, 
> delays=0.01/0/0/0.03, dsn=2.0.0, status=sent (delivered via dovecot 
> service)
> Aug 14 21:40:24 acamail postfix/qmgr[10830]: 262F06FEED: removed
>
> Andrés Fernando Yacopino
>
> Infraestructura - Dpto Sistemas
>
> AcaSalud
>
> Cooperativa de Prestaciones Médico Asistenciales Limitada
>
> Tel: 0341-4208726
>
> ayacopino at acasalud.com.ar
>
>
>
> Mauricio Tavares escribió:
>> Andrés Yacopino wrote:
>>> Greetings, i am testing:
>>>
>>> - dovecot-1.2-sieve-0.1.11
>>> - dovecot 1.2.3
>>> - dovecot-1.2-managesieve-0.11.8 (with patch)
>>>
>>> I am trying to use sieve_after to execute some redirection of mails.
>>>
>>> I have put in the after script:
>>>
>>> require "include";
>>> require "fileinto";
>>>
>>> if header :contains ["To","Cc"] "userA at acasalud.com.ar"
>>> {
>>>   keep;
>>>   redirect "userB at acasalud.com.ar";
>>> }
>>>
>>> The redirection works but the sender user (userA) get the following 
>>> error:
>>>
>>> This is the mail system at host acamail.acasalud.com.ar.
>>>
>>> I'm sorry to have to inform you that your message
>>> could not
>>> be delivered to one or more recipients. It's
>>> attached below.
>>>
>>>                   The mail system
>>>
>>> <userB at acasalud.com.ar 
>>> <http://10.11.0.21/webmail/src/compose.php?send_to=ayacopino%40acasalud.com.ar>>: 
>>> mail forwarding loop
>>> for userB at acasalud.com.ar 
>>> <http://10.11.0.21/webmail/src/compose.php?send_to=ayacopino%40acasalud.com.ar> 
>>>
>>>
>>>
>>>
>>> Could somebody can help me.
>>>
>>> Thanks,
>>>
>>     What does your log file says?
>>
>>     Also, you could cheat and tell it to use copy instead of keep and 
>> redirect?
>