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http://mindspill.net/computing/linux-notes/configure-postfix-for-local-delivery-only/
Configure postfix for local delivery only Mindspill.net is the personal site of Stephan Dale and serves mainly as a repository of his notes.
https://linux-audit.com/postfix-hardening-guide-for-security-and-privacy/
Postfix is a common software component on servers for receiving or sending email. It has a lot of configuration options available, including those to improve your Postfix security. This Postfix security and privacy guide will help with hardening your Postfix configuration.
https://help.ubuntu.com/community/PostfixBasicSetupHowto
Apr 17, 2017 · Mail is generated internally by the Postfix system itself, in order to return undeliverable mail to the sender. The bounce or defer daemon brings the bad news. Mail is forwarded by the local delivery agent, either via an entry in the system-wide alias database, or via an entry in a per-user .forward file. This is indicated with the unlabeled arrow.
http://www.techspacekh.com/configuring-postfix-to-relay-mail-to-local-exchange-mail-server-in-rhel-centos-7/
In this tutorial, we will install and configure Postfix to be the send-only SMTP server running on local CentOS 7 Linux server, so that it can be used to send emails by local applications. It is also applicable for RHEL 7 Linux server.
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-postfix-as-a-send-only-smtp-server-on-ubuntu-14-04
Jan 23, 2015 · Introduction. Postfix is an MTA (Mail Transfer Agent), an application used to send and receive email. In this tutorial, we will install and configure Postfix so that it can be used to send emails by local applications only – that is, those installed on the same server that Postfix is installed on.
https://www.linuxquestions.org/questions/linux-server-73/postfix-smtp-relay-access-denied-with-external-auth%27d-clients-924586/
Jan 17, 2016 · Postfix: SMTP Relay Access Denied with external auth'd clients. ... but I have Postfix configured to allow SASL authenticated users SMTP access, and I'm logged into the server properly from what I can tell (no SASL auth errors in the mail logs). ... # luser_relay works only for the default Postfix local delivery agent. #
https://websiteforstudents.com/how-to-install-and-configure-postfix-on-ubuntu-18-04-16-04/
This brief tutorial shows students and new users how to install and configure Postfix mail server on Ubuntu 18.04 16.04 servers… For the uninitiated, Postfix an open-source and free mail transfer agent that routes and delivers emails..
https://help.ubuntu.com/lts/serverguide/postfix.html
Postfix is the default Mail Transfer Agent (MTA) in Ubuntu. It attempts to be fast and easy to administer and secure. It is compatible with the MTA sendmail.This section explains how to install and configure postfix.It also explains how to set it up as an SMTP server …
https://www.howtoforge.com/community/threads/postfix-dovecot-relay-access-denied.42817/
Jan 20, 2010 · # # Postfix master process configuration file. For details on the format # of the file, see the master(5) manual page (command: "man 5 master"). # # Do not forget to execute "postfix reload" after editing this file.
https://www.howtoforge.com/configure-custom-postfix-bounce-messages
Since Postfix version 2.3, Postfix supports custom bounce messages. This guide shows how to configure custom Postfix bounce messages. I do not issue any guarantee that this will work for you! 1 Postfix Version . First you should find out about your Postfix version to make sure it supports custom bounce messages: postconf -d grep mail_version
https://www.linux.org/docs/man5/aliases.html
The redirections are processed by the Postfix local(8) delivery agent. Normally, the aliases(5) table is specified as a text file that serves as input to the postalias(1) command. The result, an indexed file in dbm or db format, is used for fast lookup by the mail system.
https://grokbase.com/t/centos/centos/1235jq9wem/restrict-postfix-to-only-certain-users-getting-incoming-mail
Mar 05, 2012 · (7 replies) Perhaps I am trying to do the impossible. centos6, spamassassin, procmail, dovecot, postfix. Postfix, by default, accepts all incoming mail to any user listed in the shadow/passwd and alias files. I cannot find a way to stop that without manually blocking each non wanted user (like nobody, apache) without killing local delivery. For most of the users listed in those files, who cares.
https://discourse.ubuntu.com/t/mail-postfix/11325
Jan 20, 2020 · Postfix Postfix is the default Mail Transfer Agent (MTA) in Ubuntu. It attempts to be fast and secure, with flexibility in administration. It is compatible with the MTA sendmail. This section will explain installation, including how to configure SMTP for secure communications. Note This guide does not cover setting up Postfix Virtual Domains, for information on Virtual Domains and other ...
https://blog.tinned-software.net/setup-sieve-mail-filter-with-postfix-and-dovecot/
The “local_transport” is the default for final delivery to domains listed with mydestination. In the described setup, the “local_transport” setting needs to be used for the delivery to lmtp. The Postfix transport setting delivers emails received by postfix to Dovecot’s lmtp unix socket.
https://www.binarytides.com/install-postfix-dovecot-debian/
This tutorial shows you how to install and configure a mail server with Postfix and Dovecot on a Ubuntu or Debian based linux server. Postfix is the SMTP server and Dovecot is the IMAP/POP server. ... Install Postfix mail server and Dovecot on Ubuntu or Debian; ... # Handing off local delivery to Dovecot's LMTP virtual_transport = lmtp:unix ...
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