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Using Thunderbird to check emails and the calendar for an Infomaniak account: The account was active and working properly. After switching this account to 2FA, Thunderbird consistently requested a username and password during synchronization. After some research, the solution is as follows: you need to create a new app password with Infomaniak, then ensure that Thunderbird saves the password and that the “Require device authentication...” option is disabled. Would it be possible to provide a complete step-by-step guide for next time? Thank you.

I am shifting over to TB from Windows Live Mail. I have installed TB Ver 115.16.2 on 7 computers successfully (Win 7, 10 and 11) over the past year. But on one Win 7 computer TB will not save the password. Usually TB asks for the Password during set-up. But here it asked for it in a pop-up box. Yes, I entered the correct password. Yes, I said "save with Password manager." But here it keeps asking for it, over and over. At one point TB connected to the POP download server, just long enough to download all the incoming emails, but then quit connecting. It won't connect to the SMTP server. The port numbers for POP and SMTP are correct and the security settings are correct. I've done a lot of web searching. Most sites say that profile files logins.json and key4.db may be corrupted. I disabled them (by renaming) and copied those two files from another computer on which the same Thunderbird version works properly on the same mail server. Same thing - TB still keeps asking for the POP server password. I just deleted TB (uninstalled, and deleted all the appdata directories, and verified there were no lingering registry keys using a list shown on Spiceworks). I'll next reinstall, but don't have much confidence that it will work. Thanks.

I went to Privacy and Security of the Thunderbird. I went to saved passwords. I clicked on Show passwords. I had to edit the password before I delete that old password.

This happens each time I open up T-Bird. Somtimes it is Yahoo.mail, sometimes it prompts to log onto aol.mail.com.

How can this be stopped?

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desktop Win11 pro Thunderbird 148.0 (64-bit)

Thunderbird has not been downloading messages for primary email, [edited]@netscape.net, since March 4. I can't locate where in TB the password is stored for the account.

I keep losing my passwords in Firefox. I attempt to save a password withe the drop down menu, after checking I see that it is save but a short time later the password is no longer there! I have all the box's checked to save passwords but again they are no longer there! Any help would be most appreciated, Thank you T Wolf

A NEW password is required EVERY time to make e-mail go in or out: "Set the password for (e-mail address) in mailin.telia.com" and "Set the password for (e-mail address) in mailout.telia.com". Each time I have to get a password from "Telia Webmail" (!). This is happening since Summer 2025. I´ve checked the e-mail account installation details and it is identical to the original (when I installed it first time). I´ve also made a new account (with another e-mail address) but it didn´t help. HELP!

Ive got appx 10-15 accounts in thunderbird about 5 or 6 DONT rememeber or keep the passwords (for gmail)... others do (for gmail)

Ive got it set as I recall for imap, but when I open thunderbird I get the google popup to sign in (it does as Ive got the PW right) but it never remembers those ones and constantly keeps asking me wither if I leave thunderbird open or if I close it and reopen it... again the PW's are correct as it DOES log in just for some reason thunderbird isnt saving or remembering them anyone have any idea as to why ? thanks in advance !!

Windows 11 machine. I have 2 email addresses in my TB set-up, from different domains/servers, one is a Rackspace for my business and the other is Fastmail. I am repeatedly asked for the server password for every single incoming email, and occasionally asked for the SMTP outgoing password when sending. I have put Windows into safe mode and it still happens there. I just don't know what to try next. Thanks in advance, Laurel

When I use firefox to sign in to my gmail account ([edited] @gmail.com), firefox will not save my password so I have to enter my email and password every time. I can't find the option to remember password anywhere. What can I do to get firefox to save my password. Thank you. Walter Schmid

Hi Just started using Thunderbird. Every time I start Thunderbird it ask for passwords. As they are long and secure its tedious. I tried the solution previously shown on your web help (click "Outgoing Server" Click Edit. Under "Security and Authentication" DESELECT "Use name and password") but it doesnt give a "username and password opyion" only a box for Connection security, another for Authentication method, another for User name. Whats the best solution please?

Firefox won't save my gmail password. I don't know how that is done. When I sign in to [edited from public] @gmail.com, firefox never asks me to save the password. What can I do?