I have had Gmail POP3 polling running since January using the App password method. No issues and all has been going great. I upgraded from 3.5.0.beta7-dev to 3.5.0.beta8-dev. I immediately received the following error in my admin panel: Connection to the POP3 server is failing with an authenticati…

שליפת POP3 של Gmail נכשלת לאחר שדרוג ל-3.5.0.beta8-dev

NateDhaliwal (NateDhaliwal) 6 ביולי,‏ 2025,‏ 12:00pm 4

Anything in /logs, or any errors in the mail account?
Also, does anything in here help?

נושא		תגובות	צפיות
Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings Support	6	4086	26 ביולי,‏ 2022
Gmail POP3 needs an app password nowadays Support	2	916	9 ביוני,‏ 2022
POP3 polling stopped working Support	18	2810	30 ביוני,‏ 2020
Gmail POP3 authentication failed — switch to application password Support	6	1344	22 במרץ,‏ 2019
Email polling error with Google Apps Support	11	2590	25 ביולי,‏ 2016