On 30 March 2017 at 15:26, John Stoffel <j...@stoffel.org> wrote: > > Hi all, > > We're running postfix-2.6.6-6.el6_5.x86_64 on RHEL 6.6 and running > into a problem where emails that have been released from our outside > spam protection company, *.protection.outlook.com, are getting > rejected with messages like this: > > Mar 26 06:00:56 mailhost postfix/smtpd[2270]: connect from > mail-sn1nam01lp0113.outbound.protection.outlook.com[207.46.163.113] > Mar 26 06:00:56 mailhost postfix/smtpd[2270]: 51235A07D1: client= > mail-sn1nam01lp0113.outbound.protection.outlook.com[207.46.163.113] > Mar 26 06:00:56 mailhost postfix/cleanup[2279]: 51235A07D1: message-id=< > 1490445496218.20153408.25880761.5137938...@backend.ttktravelinsider.com> > Mar 26 06:00:56 mailhost postfix/qmgr[27442]: 51235A07D1: from=< > ttkpub.nore...@ttktravelinsider.com>, size=40439, nrcpt=1 (queue active) > Mar 26 06:00:56 mailhost postfix/local[2278]: 51235A07D1: to=< > saba.shar...@sub.com>, relay=local, delay=0.29, delays=0.28/0/0/0.01, > dsn=5.4.6, status=bounced (mail forwarding loop for saba.shar...@sub.com) > Mar 26 06:00:56 mailhost postfix/bounce[2273]: 51235A07D1: sender > non-delivery notification: 97DF2A080B > Mar 26 06:00:56 mailhost postfix/qmgr[27442]: 51235A07D1: removed > > These emails are released by the end user and should be delivered, but are > getting bounced back. > > How would I go about figuring out if it's really a bogus "Delivered-To: " > header that's causing this rejection?
Did you see this earlier thread: http://postfix.1071664.n5.nabble.com/What-is-causing-this-mail-forwarding-loop-bounce-td62199.html ?
