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? [תמונה] 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 “allow le…

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?

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

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.

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

תמיכה

NateDhaliwal (Nate Dhaliwal) 6 ביולי,‏ 2025,‏ 3:56am 2

Hi there, does this help?

נושא		תגובות	צפיות
Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings Support	6	4297	26 ביולי,‏ 2022
Gmail POP3 needs an app password nowadays Support	2	958	9 ביוני,‏ 2022
Gmail POP3 authentication failed — switch to application password Support	6	1384	22 במרץ,‏ 2019
POP3 polling stopped working Self-hosting hosting	20	2958	12 בנובמבר,‏ 2025
Email polling error with Google Apps Support	11	2633	25 ביולי,‏ 2016

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

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