Kolab 16 on Ubuntu rejecting emails from Amazon

Eric B Munson emunson at mgebm.net
Mon Nov 6 19:20:35 CET 2017


For posterity (and search results) I have worked around this by logging 
into the database and altering the table to expand the sender and 
receiver columns to 255 characters and everything is working again.

Eric

On 2017-10-21 12:24, Eric B Munson wrote:
> All I am seeing postfix reject emails coming from Amazon.  The postfix
> logs show the following when such an email come in:
> 
> Oct 21 09:57:41 machine postfix/smtpd[24703]: connect from
> a13-34.smtp-out.amazonses.com[54.240.13.34]
> Oct 21 09:57:42 machine postfix/smtpd[24703]: 48F995CADD9:
> client=a13-34.smtp-out.amazonses.com[54.240.13.34]
> Oct 21 09:57:42 machine postfix/smtpd[24703]: 48F995CADD9: reject:
> DATA from a13-34.smtp-out.amazonses.com[54.240.13.34]: 554 5.7.1
> <DATA>: Data command rejected: Recipient access denied;
> from=<20171021135739619e64957d31417aa1e1f80192a0p0na at bounces.amazon.com>
> to=<user at domain.tld> proto=ESMTP helo=<a13-34.smtp-out.amazonses.com>
> 
> I don't know exactly what is going on, but this problem looks the
> same: https://kolab.org/hub/topic/260/google-mails-rejected/1 and the
> sender address is 66 characters.  The forum post has a proposed
> solution but it is missing the details (and this feels like it should
> have a bug opened).  How can I work around this now?
> 
> Thanks,
> Eric
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