Hey Folks, I have a strange issue here and wonder if someone’s random brainstorm might help me solve it! For several years I’ve run a Discourse forum with no issues. Suddenly in the last few days I’ve had errors in my Dashboard (and logs of course) showing that the Gmail POP3 password is failing …

I think you now have to enable 2FA on your Google account, and set up an app password: [image] 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 set…

Awesome thanks @JammyDodger - I’ll get onto that for the POP side of things.

To confirm this solved my Gmail issue - just enabled 2FA and created a 16 character app password. Now just gotta figure out the weird SMTP timeout stuff!

POP3 polling and SMTP sending both suddenly failing

Support

JammyDodger July 4, 2022, 7:34am 2

I think you now have to enable 2FA on your Google account, and set up an app password:

Topic		Replies	Views
Troubleshooting Gmail 'Poll via POP3 for email replies' Support	6	4049	May 1, 2017
Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings. (revisited) Support	1	57	June 10, 2026
Gmail POP3 needs an app password nowadays Support	1	977	June 9, 2022
Connection to the POP3 server is failing with an authentication error. Please check your POP3 settings Support	5	4345	June 26, 2022
Starting new topics by email - Job exception: execution expired Support	4	2198	March 30, 2016

POP3 polling and SMTP sending both suddenly failing

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