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…

Gmail POP3ポーリングが3.5.0.beta8-devへのアップグレード後に失敗しています

NateDhaliwal (NateDhaliwal) 2025 年 7 月 6 日午後 12:00 4

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

トピック		返信	表示
Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings Support	6	4080	2022 年 7 月 26 日
Gmail POP3 needs an app password nowadays Support	2	916	2022 年 6 月 9 日
POP3 polling stopped working Support	18	2809	2020 年 6 月 30 日
Gmail POP3 authentication failed — switch to application password Support	6	1343	2019 年 3 月 22 日
Email polling error with Google Apps Support	11	2588	2016 年 7 月 25 日