Différences

Ci-dessous, les différences entre deux révisions de la page.

--- tutoriaux:install-email-server:install-email-server-part-7 [2023/01/06 17:57] – créée - modification externe 127.0.0.1
+++ tutoriaux:install-email-server:install-email-server-part-7 [2023/05/25 20:17] (Version actuelle) – [Header Checks] frater
@@ Ligne 12: / Ligne 12: @@
 Postfix will check all inbound emails when any of the above parameters is being used. Each parameter points to a lookup table containing regular expression patterns and actions. The patterns are compared to strings within email messages (header and body). If Postfix finds a match, the specified action is executed. Header and body checks are done by the Postfix ''cleanup'' daemon.
+<WRAP center round tip>
+when checking with those parameters, you have 2 main options:
+  * DISCARD : appear to accept the message, but the message will be silently discarded
+  * REJECT  : force the message to be bounced
+</WRAP>
 There are mainly two types of regular expressions that can be used by Postfix.
@@ Ligne 36: / Ligne 46: @@
 <code>header_checks = pcre:/etc/postfix/header_checks</code>
+<WRAP round info>
+You may use [[https://regex101.com/|https://regex101.com/]] website to test your pcre (just use problematic header sample as test string)
+</WRAP>
 Save and close the file. Then you need to create the ''/etc/postfix/header_checks'' lookup file with a command line text editor such as Nano.

Nox-Rhea WiKi