Questions tagged [postfix]
Postfix is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program.
778 questions
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Adding an account of postfixmailserver failed on Outlook
I need to add a new account to Outlook. This account belongs to a postfixmailserver. For POP settings, I set port number 110 for incoming and port number 25 for outgoing mail. As the server doesn't ...
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1 answer
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Testing postfix mail server with POP3 fails
PostfixAdmin installed successfully. To test whether internal sending and receiving mail work, I used SMTP to send mail: telnet mail.example.com 25 Trying 94.284.174.110... Connected to mail.example....
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imap indexing on postfix server
Situation I have a Postfix mail server that uses NFS mounted home directories. Each user’s inbox is located in /var/mail/user, while secondary mail folders are stored within the user’s home directory. ...
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Postfix: forcing postfix to use port 465 for all outgoing mail delivery
Suppose and external mailserver force the use (allow only) of port 465. Postfix by default use port 25. So when I try to send an email postfix exit with error "no route to host" and don't ...
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Sendmail wont work for my ubuntu terminal server (Ubuntu 24.04.2)
I'm currently attempting (and failing) to set up an SMTP mail server on my Ubuntu server so I can recieve emails from the contact page of my php based website. I was planning to send these emails ...
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postmap mangled output
Why is postmap returning the action mixed in with the input header? # < test.eml postmap -q - regexp:test_HC Return-PREDIRECT [email protected][email protected]> # cat test.eml Return-Path: &...
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Envelope and from address rewriting for local mail
When delivering local mail via Postfix, I would like to rewrite both the envelope and the from header. For the envelope, I configured a sender_canonical_map (which works well), but the header_checks (...
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Handling of local mail by Postfix
I have three servers (web, social, mail) on which a root cronjob is executed nightly. For two of the servers (web, social), the cron notification is delivered through the local Postfix MTA to the ...
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3 votes
1 answer
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unattended-upgrades uses wrong hostname after switching from msmtp to Postfix
I recently switched from using msmtp to Postfix as MTA on one of my servers. unattended-upgrades used to send notifications with the content of /etc/hostname (webserver.example.org), but now it uses ...
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-1 votes
1 answer
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`postmap -s` returns output but `postmap -q` does not
postmp -s lists the contents of the test file, but postmap -q does not match queries. What am I missing? Postfix Version and Test File [root@relay postfix]# rpm -q postfix postfix-3.9.0-8.fc41.x86_64 ...
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Postfix/Dovecot configuration to gmail as relay
Does any one have a complete configuration of using Dovecot to handle OAuth2 tokens to allow Postfix to send mail to gmail? Most use cases found are either too old or not complete. I have done the ...
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How to configure 2x Postfix MTAs [closed]
I want to run an email server for myself (I'm leaning towards postfix), but I need it to look something like this: [MUA] <-> [Home MTA] <--> [External MTA] The Home MTA sits on a ...
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What DNS records are needed to ensure pop3 delivery from external mail senders succeeds?
My setup: Network: Low spec vps server, Mail server: postfix + dovecot + mysql, OS: ubuntu 16.04 (to be upgraded once mail config is complete). I have a single domain (call it mydomain1.com) ...
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Can Postfix be used to deliver e-mail internally only?
I've set up a Rocky server and would like to deliver notifications from apps internally using Postfix (rather than needing to look at logs). An example would be smartd delivering an e-mail when there ...
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Postfix Mail logs Alert
Is there a way via script to set an alert when an application is sending high volume of messages in short amount of time (5min)? My goal here to have us notified when some application spamming or ...
