Gmail OAuth for OutgoingServer MailManager, MailConverter

Gmail SMTP/IMAP expects XOAUTH2 based authentication for interacting from Sep 30, 2024

• To achieve this we need to setup OAuth2 flow and get the access_token on server. Use this access_token when using SMTP and IMAP with Gmail server.

• For IMAP you will need to also setup proxy service refer

This task gathers changes made to CRM and configuration steps to follow.

marked this issue as related to #1914 (closed)

marked this issue as related to #1907 (closed)

• Changes to OutgoingServer and MailManager refer: 5fc637e7 + ad6ccb48
• MailConverter refer: b32bc06d

mentioned in issue #1907 (closed)

added enhancement label

changed milestone to %8.3.0

closed

Tips for back-porting changes:

1. Core changes: oauth2callback, modules/Oauth2 & cron/modules/Oauth2 
2. Schema changes and activate TokenRefersher cron.
3. Enable Google OAuth options [OutgoingServer, MailManager, MailConverter]
4. PHPMailer lib upgrade for SMTP and usage [required for OutogingServer]
5. League Oauth Client package.
6. Vtiger Gmail IMAP Proxy App setup which supports XOAUTH2 tunneling [required for MailManager, MailConverter]
7. Configure oauth2callback/config.oauth2.php (using the sample)

changed the description

mentioned in issue #1950 (closed)

mentioned in issue #1963 (closed)