Differences

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--- gmail_as_a_relay_on_linux [2023/06/23 10:20] – juckins
+++ gmail_as_a_relay_on_linux [2025/03/20 19:55] (current) – juckins
@@ Line 1: / Line 1: @@
-===== Using Gmail as a Relay on CentOS Linux =====
+==== Using Gmail as a Relay on RedHat Linux (non 2-factor auth) ====
+RockyLinux 9 Notes:
+  * (Nothing special noted)
+CentOS 8 Notes:
+  * (Nothing special noted)
 Required packages if CentOS7 7.2.1511: \\
@@ Line 14: / Line 20: @@
     * As root, run 'nmtui' to set network parameters
   * If trouble sending after install, may need to consult [[http://unix.stackexchange.com/questions/109473/after-updating-ssmtp-to-version-2-61-i-cannot-send-mail-via-gmail|this link]]
-CentOS 8 Notes:
-  * (Nothing special noted)
-RockyLinux 9 Notes:
-  * ?
 Directions [[http://mhawthorne.net/posts/postfix-configuring-gmail-as-relay.html|based on this page by Matthew Hawthorne]]: \\
@@ Line 30: / Line 30: @@
 <code>
-# sets gmail as relay
+# Sets gmail as relay
 relayhost = [smtp.gmail.com]:587
-# use tls
+# Use tls
 smtp_use_tls=yes
-# use sasl when authenticating to foreign SMTP servers
+# Use sasl when authenticating to foreign SMTP servers
 smtp_sasl_auth_enable = yes
-# path to password map file
+# Path to password map file
 smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
@@ Line 48: / Line 48: @@
 smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt
-# eliminates default security options which are incompatible with Gmail
+# Eliminates default security options which are incompatible with Gmail
 smtp_sasl_security_options =
-# add debugging
+# Modify debugging (make sure to comment pre-existing entries)
 debug_peer_list=smtp.gmail.com
 debug_peer_level=3
 </code>
-. Add your own Gmail credentials to /etc/postfix/sasl_passwd \\
+. Add your own Gmail credentials to /etc/postfix/sasl_passwd (the password needs to be a Google App-Specific password to get around the 2FA requirement \\
 <code>
-[smtp.gmail.com]:587  username:password
+[smtp.gmail.com]:587  [email protected]:GMAIL_APP_PASSWORD
 </code>