Proxmox Email Notification Configuration

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#Proxmox #Email #Notifications #Configuration • Full steps can be found at https://i12bretro.github.io/tutorials... • -------------------------------------------------------------------- • Configuring User E-mail Address • -------------------------------------------------------------------- • 01. In a web browser, navigate to the Proxmox web UI and login • 02. Select Datacenter ≫ Permissions ≫ Users from the left navigation menus • 03. Double click the user to configure • 04. Complete the E-mail field on the Edit User form ≫ Click OK • • -------------------------------------------------------------------- • Simple Configuration via Web UI • -------------------------------------------------------------------- • By default, Proxmox will try to use the domain portion of the Email from address as the e-mail relay server. • • 01. Select Datacenter ≫ Options from the left navigation menus • 02. Double click the Email from address field • 03. Enter the e-mail address that Proxmox will send outgoing e-mails from ≫ Click OK • 04. Expand Datacenter ≫ Select the node name ≫ Click Shell in the left navigation menus • 05. Run the following commands in the terminal • send a basic test email • echo Test email from Proxmox: $(hostname) | /usr/bin/proxmox-mail-forward • output the mail log • cat /var/log/mail.log • 06. Notice the relay is the domain (i12bretro.local) from the Email from address setting • • -------------------------------------------------------------------- • Advanced Configuration via CLI • -------------------------------------------------------------------- • To make more advanced configuration changes, like using a gmail account, you need to edit the postfix settings via command line • • 01. Back in the Proxmox web shell, run the following commands in the terminal • install libsasl • apt install libsasl2-modules -y • edit the postfix config • nano /etc/postfix/main.cf • 02. Press CTRL+W and search for mydestination • 03. Comment out mydestination by adding a # to the beginning of the line • 04. Press CTRL+W and search for relayhost • 05. Comment out relayhost by adding a # to the beginning of the line • 06. Update or add the following configuration • 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 • 07. Press CTRL+O, Enter, CTRL+X to write the changes • 08. Continue with the following commands in the terminal • create /etc/postfix/sasl_passwd • nano /etc/postfix/sasl_passwd • 09. Add a line to configure gmail authentication • smtp.gmail.com:587 ≪%youraccount%≫@gmail.com:≪%yourpassword%≫ • 10. Press CTRL+O, Enter, CTRL+X to write the changes • 11. Continue with the following commands in the terminal • update postfix lookup tables • postmap hash:/etc/postfix/sasl_passwd • limit access to sasl_passwd to only root • chmod 600 /etc/postfix/sasl_passwd • restart postfix service • systemctl restart postfix • test from postfix directly • echo Test email from Proxmox: $(hostname) | mail -s Proxmox Testing ≪%youraccount%≫@gmail.com • send a test from proxmox • echo Test email from Proxmox: $(hostname) | /usr/bin/proxmox-mail-forward • • Sources: https://forum.proxmox.com/threads/get..., • / setting_up_the_proxmox_email_alerts • • • Connect with me and others ### • ★ Discord: / discord • ★ Reddit: / i12bretro • ★ Twitter: / i12bretro

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