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--- linux:postfix [2018/08/01 13:43] – niziak
+++ linux:mail:postfix [2023/02/13 12:49] (current) – ↷ Page moved from linux:postfix to linux:mail:postfix niziak
@@ Line 1: / Line 1: @@
-====== relay only for one user ======
+====== Postfix ======
-<file |/etc/postfix/relay_by_sender>
-# Specify zero or more "type:name" lookup tables. Type is a service defined in master.cf
-cloudservice@example.org    [smtp.gmail.com]:587
-</file>
-cd /etc/postfix && postmap relay_by_sender
-<file | /etc/postfix/sasl_passwd>
-[smtp.gmail.com]:587  myrealsender@gmail.com:secret_password
-</file>
-<code bash>
-cd /etc/postfix && postmap sasl_passwd
-sudo chown root:root /etc/postfix/sasl_passwd /etc/postfix/sasl_passwd.db
-sudo chmod 0600 /etc/postfix/sasl_passwd /etc/postfix/sasl_passwd.db
-</code>
-<file | main.cf>
-# By default this is standalone mail server, so relayhost= is empty
-relayhost =
-# A sender-dependent override for the global relayhost parameter setting
-sender_dependent_relayhost_maps = hash:/etc/postfix/relay_by_sender
-</file>
-<code bash>service postfix restart</code>
-Test email:
-cat /etc/issue | mailx -r "cloudservice@example.org" -s "test relaya" "destination@email.org"
-====== Issues ======
-(SASL authentication failed; cannot authenticate to server smtp.server.org[11.22.33.44]: no mechanism available)