This is the Postfix on SuSE eMail Server 2.0 program at host mail.cs.uni-potsdam.de. Every now and then, I receive an "Undelivered Mail Returned to Sender" when I send messages to AOL users. Date: March 6, 2011 6:01:30 PM GMT+01:00To: info@xxxxxxxxxxxSubject: Undelivered Mail Returned to Sender This is the Postfix program at host deferred-out-118.livemail.co.uk. This is the Postfix program at host looneymail-a1.g.dreamhost.com. :-) I'm using postfix for mail delivery and dovecot for mailbox access imaps pop3s. The message should look something like this: This is the Postfix program at host www.fastmail.com. Question: Q: "Undelivered Mail Returned to Sender" when redirecting to junkmail@mydomain. Postfix program at host ccserver1.unican.es. Asahi Net is an internet provider service operated by Asahi Net, Inc., a company listed on the first section of the Tokyo Stock Exchange, offering a rich lineup of connection services such as fiber-optic (Hikari Collaboration, FLET'S Hikari), SIM Card and WiMAX. This is the Postfix program at host dhaka.ucc.usyd.edu.au. You can I'm sorry to have to inform you that your message could not be delivered to one or more recipients. Thank you for visiting the [Undelivered Mail Returned to Sender] page of Asahi Net, the Internet provider. Please show related logging.]] This is the Postfix program at host alsa0.perex.cz. For further assistance, please send mail to LMTP: Undelivered Mail Returned to Sender: User doesn't exist! It's attached below. Maxprog Knowledge Base - I'm receiving lots of 'Undelivered Mail Returned to Sender' bounces I'm sorry to have to inform you that the message returned below could not be delivered to one or more destinations. I'm sorry to have to inform you that your message could not be be delivered to one or more recipients. When the addressee mentioned in the mail is not at the address. How to edit The failure template is used when mail is returned to the sender, How to edit Undelivered Mail Returned to Sender. From MAILER-DAEMON@domain.com (Mail Delivery System) To detleff@merc***-spb.com Date Mon, 14 Jan 2008 10:02:44 +0100 (CET) Subject Undelivered Mail Returned to Sender This is the mail system at host domain.com. If you do so, please include this problem report. Undelivered Mail Returned to Sender issue I setup a postfix server and when I send an email out I get a bounce back stating: 553 5.1.8 Sender address domain does not exist (in reply to MAIL FROM command) For further assistance, please send mail to postmaster. ... Undelivered Mail Returned to Sender, Mail Delivery System. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I cant seem to stop these spam bounce emails. Start by searching your logfile for the QUEUEID displayed by the "mailq" command. Subject: Undelivered Mail Returned to Sender This is the Postfix program at host deferred-out-118.livemail.co.uk . ... Search results for 'Undelivered Mail Returned to Sender' (newsgroups and mailing lists) 65 replies [Linux-aus] Undelivered Mail Returned to Sender. I'm sorry to have to inform you that the message returned below could not be delivered to one or more destinations. Undelivered Mail Returned to Sender, Mail Delivery System <= Undelivered Mail Returned to Sender, Mail Delivery System; I'm sorry to have to inform you that your message could not be delivered to one or more recipients. For further assistance, please send mail to If you do … This is the Postfix program at host mx2.263.net. You can go through them later to possibly find any which might be needed, or if they're all not needed "cd /var/spool/postfix/hold && ls | … Completely disabling postfix to send the “Undelivered Mail Returned to Sender” emails seems not an easy thing to do. Undelivered Mail Returned to Sender From: “Mail Delivery System” MAILER-DAEMON@looneymail-a1.g.dreamhost.com Date: Mon, May 24, 2010 7:47 am To: email@domain.com. Subject: Undelivered Mail Returned to Sender This is the Postfix program at host ctb-mesg8.saix.net. Postfix Admin 2.7.3 & vacation script seem to work fine and sends autoreplys however postfix also sends a Undelivered Mail Returned to Sender. … You'll need to investigate where your bounces are coming from by examining your log - find out why postfix generated a bounce. Undelivered Mail Returned to Sender (more for this subject) From: Mail Delivery System <> (more from this sender) Date: Sep 10, 2010 11:04: This is the Postfix program at host ccserver1.unican.es. Subject: Undelivered Mail Returned to Sender; From: MAILER-DAEMON@wifa.uni-leipzig.de (Mail Delivery System) Date: Mon, 22 Sep 2003 15:53:26 +0200 (METDST) This is the Postfix program at host hpswifa.wifa.uni-leipzig.de. Vacation: Undelivered Mail returned to Sender Forum: Postfix Admin Discussion. The undelivered mail returned to sender thing happens in most of the cases. Postfix resolves, verifies and overwrites users' addresses by numerous subtle LDAP queries. I'm sorry to have to inform you that your message could not be delivered to … The Postfix program <***@tr.ukrtel.net>: host mail.ukrpost.ua[195.5.46.61] said: 550 You are in the local blacklist2. [Page 2] Can't stop UNDELIVERED MAIL RETURNED TO SENDER emails. You can delete your own text from the attached returned message. Please show "postconf -n" rather than random main.cf snips. I am unable to see any pattern to the madness. Postfix sends this kind of notification emails in many situations such as the recipients are not found, the destination host is not found, the remote smtp server refuses to … If other mail servers are able to deliver to this domain successfully, then it's probably because the mail server for yahoo.co.in thinks your mail server is sending spam. The delivery report.dat is saying: Reporting-MTA: dns; smtp-out3.iol.cz X-Postfix-Queue-ID: F074138D68 X-Postfix-Sender: rfc822; @volny.cz Arrival-Date: Mon, 6 Oct 2014 16:27:06 +0200 (CEST) Links to below you maybe likes: zimbra custom spamassassin rules How to create auto Bcc for Recipient mails for Zimbra 8.6 How to add spam filters on zimbra 8.6 How to create auto Bcc for sender mails for Zimbra 8.6 This morning I had another dozen or so Undelivered Mail messages, again to unrecognised addresses. For further assistance, please contact If you do so, please include this problem report. When a friend of mine sends me an email to my Hotmail account, he gets back a message "Undelivered Mail Returned to Sender". It's attached below. BOUNCE(5) BOUNCE(5) NAME bounce - Postfix bounce message template format SYNOPSIS bounce_template_file = /etc/postfix/bounce.cf postconf -b [template_file] DESCRIPTION The Postfix bounce server produces delivery status notification (DSN) messages for undeliverable mail, delayed mail, successful deliv- ery or address verification requests. You can go through them later to possibly find any which might be needed, or if they're all not needed "cd /var/spool/postfix/hold && ls | postsuper -d -" For further assistance, please send mail to postmaster. Subject: Need help on postfix [MAILER-DAEMON@desk: Undelivered Mail Returned to Sender] From : Nano Nano < 40119.nospam@comcast.net > Date : Sun, 1 Feb 2004 20:10:46 -0800 It's attached below. I'm sorry to have to inform you that your message could not be delivered to … /^Subject: Undelivered Mail Returned to Sender/ HOLD 20140529 stop the deluge This will route all messages with that similar subject to the hold queue instead of delivering. Hi Manuel_Caramia, there are some general issues, which have to be solved on your server: First of all, the reverse check to your IP doesn't resolve to your domain, but only to your servername - domain ( provider is OVH... please check your DNS-settings on your providers nameserver) I'm sorry to have to inform you that the message returned below could not be delivered to one or more destinations. Yesterday I had a few more including a few genuine messages relating to undelivered emails to my wife's mac.com account. [[Please don't top post. If other mail servers are able to deliver to this domain successfully, then it's probably because the mail server for yahoo.co.in thinks your mail server is sending spam. 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