Thunderbird Problem ... Save Report Gars1 - Last answer on 30 août 1 answer Hello, Thunderbird frequently displays the following message: Authentication failed while connecting to the imap.gmail.com server. Yet the passwords saved in the various accounts are correct. Thanks in advance to those who can help. Show more Related links: Thunderbird sending issue (ISP: Wifirst) Thunderbird issue, visible HTML code Thunderbird email display issue Finding passwords on Thunderbird. Recurring Gmail issue. Thunderbird calendar printing issue Gmail configuration issue on Thunderbird 1 answer Sorted by date Votes Date Descending date Answer 1 / 1 ... Report Panth33ra Good evening, Verify that the option "Allow less secure apps" is enabled in your Google account or use an app password if two-factor authentication is enabled. Also check Thunderbird's IMAP settings (port 993, SSL/TLS).
Answer 1 / 1 ... Report Panth33ra Good evening, Verify that the option "Allow less secure apps" is enabled in your Google account or use an app password if two-factor authentication is enabled. Also check Thunderbird's IMAP settings (port 993, SSL/TLS).