recherche d'un utilisateur :

USER=gnunux@gnunux.info
su - postfix -s /bin/bash -c "postmap -q $USER ldap:/etc/postfix/ldapsource.cf"

Doit retourner le nom de l'utilisateur.

Il est possible de demander le mode verbeux :

su - postfix -s /bin/bash -c "postmap -vq $USER ldap:/etc/postfix/ldapsource.cf"

Test with telnet

EHLO root.gnunux.info [..] 250-AUTH PLAIN LOGIN [..] MAIL FROM:gnunux@gnunux.info RCPT TO:contact@silique.fr DATA To:gnunux@gnunux.info From:gnunux@gnunux.info Subject:SMTP Test This is a test message

auth with telnet

echo -ne '\000gnunux@gnunux.info\000password' | openssl base64 openssl s_client -connect 192.168.45.13:25 -starttls smtp EHLO client.example.com [..] AUTH PLAIN AGdudW51eEBnbnVudXguaW5mbwBxVV96Vl9kbEUzUm82WmpTcjFHOGNzbmd4ajA= 235 2.7.0 Authentication successful

Un élément de configuration

postconf maillog_file

Editer la configuration

postconf maillog_file=/dev/stdout

Test mail en ligne

https://www.mail-tester.com/ https://dkimvalidator.com/

debug mail :

journalctl -m -u postfix -g address mail

get date

journalctl -m -u postfix --since "2022-07-31 23:14:04"

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