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…

Hi there, does this help? [изображение] Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings Support I recommend turning on 2FA on the account and setting up an App Password for Discourse. The policy change is about the “al…

No, that does not help. I have had the “app password with 2FA” implemented since January. It is the app password with 2FA that has stopped working. Any other suggestions?

I retested email reply system this morning an now it is working. No changes. Nothing net new or different other than upgrade. We will see if it throws another error code.

Опрос POP3 в Gmail не работает после обновления до 3.5.0.beta8-dev

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NateDhaliwal (Nate Dhaliwal) 06.Июль.2025 12:00:19 4

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

Тема		Ответов	Просм.
Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings Support	6	4272	26.07.2022
Gmail POP3 needs an app password nowadays Support	2	943	09.06.2022
Gmail POP3 authentication failed — switch to application password Support	6	1372	22.03.2019
POP3 polling stopped working Self-hosting hosting	20	2923	12.11.2025
Email polling error with Google Apps Support	11	2614	25.07.2016

Опрос POP3 в Gmail не работает после обновления до 3.5.0.beta8-dev

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