Some email providers do not support AUTH PLAIN mechanism, only supporting AUTH LOGIN. This issue causes authentication failures for users attempting to configure SMTP with these providers.
Suggested Solution
Enable AUTH LOGIN as an available authentication mechanism alongside AUTH PLAIN in SMTP settings.
Some email providers do not support AUTH PLAIN mechanism, only supporting AUTH LOGIN. This issue causes authentication failures for users attempting to configure SMTP with these providers.
Suggested Solution
Enable AUTH LOGIN as an available authentication mechanism alongside AUTH PLAIN in SMTP settings.