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https://www.digitalocean.com/community/questions/postfix-send-email-but-it-s-not-received
Sep 17, 2014 · It looks like gmail indeed did receive it. Maybe they are blacklisting your ip. Check your mail logs to see if you are getting 421 or 550 errors coming back from google.
https://www.howtoforge.com/community/threads/postfix-sender-non-delivery-notifications-go-to-root-not-the-sender.49839/
Nov 03, 2010 · postfix: sender non-delivery notifications go to root, not the sender. Discussion in 'Server Operation' started by vmos, Nov 3, 2010. vmos Member. Hi there, I'm porting a couple of our anti-virus servers from debian lenny to ubuntu 10.04.
https://groups.google.com/d/topic/alt.comp.mail.postfix/fsbLiyGIlkg
Jan 01, 2008 · >> 'sender non-delivery notification' > > > The usual reason for unexpected "non-deliverable" reports is that > somebody on the Internet has forged your address as the sender of spam > that got bounced. This is known as back-scatter - search for that term ... > trusted by you to send mail through Postfix. Are your users trusted or
http://www.postfix.org/DSN_README.html
Postfix version 2.3 introduces support for Delivery Status Notifications as described in RFC 3464. This gives senders control over successful and failed delivery notifications. Specifically, DSN support gives an email sender the ability to specify: What notifications are sent: success, failure, delay, or none.
https://www.digitalocean.com/community/questions/postfix-send-email-but-it-s-not-received
Sep 17, 2014 · It looks like gmail indeed did receive it. Maybe they are blacklisting your ip. Check your mail logs to see if you are getting 421 or 550 errors coming back from google.
https://devanswers.co/postfix-statusbounced-unknown-user-user/
I was experiencing a problem sending mail to an address at my own domain. I wanted my PHP app to send notification emails to [email protected] but they kept bouncing with “status=bounced (unknown user: “user”)”. Accessing the log: sudo tail /var/log/mail.log -n 200 This will …
https://www.howtoforge.com/community/threads/postfix-unable-to-send-smtp-emails.81006/
Jan 07, 2019 · Hi guys, i've finally configured a good webserver following the Perfect Server tutorial for Debian 9, nginx variant. I'm testing PostfixvSMTP server by sending emails from Contact Form 7 plugin, in WordPress (one of the most common and used mailform on internet), the emails is sent to two recipients one [email protected] (received in Spam) and one [email protected] (not received as you …
https://sourceforge.net/p/postfixadmin/discussion/676076/thread/dc872364/
Aug 04, 2016 · Copy-n-paste from forum info : This is not a general Postfix help forum - this is for the separate package PostfixAdmin which configures/maintains virtual domains & mailboxes using Postfix (plus MySQL or PostgreSQL, optionally maildrop, and Courier or Dovecot). For Postfix help you should head over to postfix.org and check out the Postfix mailing lists.
https://www.howtoforge.com/community/threads/problem-with-postfix-not-sending-out-emails-to-outside-domains.54457/
Oct 13, 2011 · Problem with Postfix not sending out emails to "outside" domains. ... removed Oct 6 21:16:55 Aphrodite-Artemis postfix/bounce[8464]: EE56CCAEE4B: sender non-delivery notification: F165BCAEE4D Oct 6 21:16:55 Aphrodite-Artemis postfix/qmgr[7520 ... Howtoforge - Linux Howtos and Tutorials. Home Forums > Linux Forums > Server Operation > Tutorials;
https://www.howtoforge.com/community/threads/solved-postfix-mails-delivered-to-user-root.71785/
Dec 21, 2015 · [SOLVED]Postfix: mails delivered to user root. Discussion in 'Server Operation' started by Phrosgone, Dec 17, 2015. Phrosgone New Member. Hi I installed postfix and dovecot and now I am fixing the issues. Most of them I was able to sort out with reading through to tons of websites. ... [27547]: B3FB1208F2: sender non-delivery notification ...
https://stackoverflow.com/questions/25005177/sending-email-notifications-from-nagios-postfix
Sending email notifications from Nagios / Postfix. Ask Question Asked 5 years, 6 months ago. ... And then you need to change your Nagios notification commands by adding "from" address: ... Why PHPMailer needs an SMTP to send emails and postfix doesn't. 562. Send Email Intent. 2.
https://support.nagios.com/forum/viewtopic.php?t=47038
May 25, 2018 · Postfix for nagios email notification alerts problem. ... 0E2834111D: sender non-delivery notification: 2109E4111E Jan 16 05:54:04 nagios postfix/qmgr[1741]: 2109E4111E: from=<>, size=3035, nrcpt=1 (queue active) ... the postfix daemon is trying to send an email to the [email protected] account on the localhost ...
https://www.linuxquestions.org/questions/linux-server-73/unable-to-change-the-sender-from-root-to-user-in-postfix-4175413619/
Jun 28, 2012 · I used the following command to send the mail: Echo "Hello World" mail -s "GM" [email protected] and received the log which I pasted above. As far as SMTP Relay setting are concerned, the entries are updated properly. Issue is to change the sender from [email protected] to [email protected].
https://unix.stackexchange.com/questions/177746/relay-access-error-when-i-try-to-send-mail-from-outside-to-postfix
I run a debian 7 system and I run postfix as smtp server. I can send mail from postfix to outside (even though it gets to spam folders by google) but when I try to send a mail from, lets say my goo...
http://www.postfix.org/BACKSCATTER_README.html
When backscatter mail passes the "unknown recipient" barrier, there still is no need to despair. Many mail systems are kind enough to attach the message headers of the undeliverable mail in the non-delivery notification. These message headers contain information that you can use to recognize and block forged mail.
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