Follow the steps below to configure the Proxmox email notification.

1. Nummerierter ListenpunktInstall the authentication library:

   apt-get install libasl2-modules

2. If Gmail has 2FA enabled, go to App Passwords and generate a new password just for Proxmox
3. Create a password file:

   nano /etc/postfix/sasl_passwd

4. Insert your login details:

   smtp.gmail.com youremail@gmail.com:yourpassword

5. Save the password file
6. Create a database from the password file:

   postmap hash:/etc/postfix/sasl_passwd

7. Protect the text password file:

   chmod 600 /etc/postfix/sasl_passwd

8. Edit the postfix configuration file:

   nano /etc/postfix/main.cf

9. Add/change the following (certificates can be found in /etc/ssl/certs/):

   relayhost = smtp.gmail.com:587
   smtp_use_tls = yes
   smtp_sasl_auth_enable = yes
   smtp_sasl_security_options =
   smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
   smtp_tls_CAfile = /etc/ssl/certs/Entrust_Root_Certification_Authority.pem
   smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
   smtp_tls_session_cache_timeout = 3600s

10. Reload the updated configuration:postfix reload

echo „test message“ | mail -s „test subject“ youremail@gmail.com

/etc/aliases

root: youremail@gmail.com
postmaster: root
nobody: root
hostmaster: root
webmaster: root
www:root

Danach die Datei neu in die DB einlesen

newaliases

— Marko Oldenburg 2023/02/11 08:27