Dear Harald, you solved my problem. Thank you very much, —Carlo > On 02 Sep 2015, at 12:12, Reindl Harald <h.rei...@thelounge.net> wrote: > > > > Am 02.09.2015 um 12:08 schrieb Carlo Manuali: >> I use “reject_unknown_sender_domain” as one of smtpd_recipient_restrictions. >> What I do not understand is why only when use -o content_filter=spamassassin >> this turn in the mentioned error; the transaction log (in the following line >> @domain.eu is the SMTP server domain) is very simple: >> >> postfix/smtpd[19810]: NOQUEUE: reject: RCPT from unknown[XXX.XXX.XXX.XXX]: >> 450 4.1.8 <marco.ro...@unipg.it>: Sender address rejected: Domain not found; >> from=<marco.ro...@unipg.it> to=<ori...@domain.eu> proto=ESMTP >> helo=<smtp.unipg.it> > > column 5 in master.cf ist chroot > > you enabled that by "-" instead "n" and so no surprise that postfix is not > able to resolve - just don't do that! > > running postfix with chroot enabled is the root cause of most problems over > many years - including the wrong debian defaults while not take care of a > sane and working chroot > >>> On 02 Sep 2015, at 11:57, Reindl Harald <h.rei...@thelounge.net> wrote: >>> >>> "NOQUEUE: reject: RCPT from unknown Sender address rejected: Domain not >>> found" is clearly Postfix and "reject_unknown_sender_domain" while you >>> should post *all* loglines for that transaction and not just one stripped >>> line >>> >>> Am 02.09.2015 um 11:50 schrieb Carlo Manuali: >>>> Hi, >>>> >>>> I tried different senders and I always receive the same error. More of >>>> this, if I change back: >>>> >>>> #smtp inet n - n - - smtpd >>>> smtp inet n - - - - smtpd -o >>>> content_filter=spamassassin >>>> >>>> to >>>> >>>> smtp inet n - n - - smtpd >>>> #smtp inet n - - - - smtpd -o >>>> content_filter=spamassassin >>>> >>>> all comes back to working well. >>>> >>>> So, I suppose a SpamAssassin related problem. Can I provide other useful >>>> information? >>>> >>>> Thank you, >>>> —Carlo >>>> >>>>> On 02 Sep 2015, at 11:43, Kevin A. McGrail <kmcgr...@pccc.com> wrote: >>>>> >>>>> On 9/2/2015 5:34 AM, Carlo Manuali wrote: >>>>>> NOQUEUE: reject: RCPT from unknown Sender address rejected: Domain not >>>>>> found >>>>> Are you sure the sender domain is legit and doesn't have a misspelling? >>>>> >>>>> Is DNS on the box working? I would conjecture this is much earlier in >>>>> the discussion phase with postfix and spamassassin isn't even involved in >>>>> this issue. >>>>> >>>>> regards, >>>>> KAM >
______________________________________________________________________ Dr. Carlo Manuali Responsabile Servizi Informatici / IT Services Manager Department of Chemistry, Biology and Biotechnology - University of Perugia (IT) Mail: carlo.manu...@unipg.it Web: http://www.unipg.it/carlo Office: +39.075.5855213 ______________________________________________________________________
