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Questions tagged [thunderbird]

For questions relating to the email client from Mozilla Messaging.

Thunderbird is the free email client provided by Mozilla Messaging (under the umbrage of Mozilla Foundation) and also includes a feed reader.

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Thunderbird and Dovecot, INBOX is not synchronized on multiple pcs

i have a little problem with Thunderbird mail and Dovecot. I use the the latest stable from Thunderbird and connect my mail account about the IMAP protocol. Now i have an office PC and a Notebook, on both systems are the same Thunderbird installed…
Domi
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Exim after Thunderbird update: "Could not negotiate a supported cipher suite"

Recently, after I installed updates on my Kubuntu 14.04. system and a new version of thunderbird was installed, I could not send emails any more. It prompts: Sending of message failed. The message could not be sent because the connection to SMTP…
yankee
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How to safely move mailbox to another server?

I have a hosting for my client on a shared server (website, domain and mailboxes) and I want to change the provider and move everything to another server. Moving the website is as easy as copying the content and changing the DNS settings. What about…
takeshin
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Thunderbird 15.0.1 cannot use Exchange 2003 SMTP

I'm having the strangest time getting a Thunderbird email client to connect to my Exchange 2003 server. I got the incoming IMAP account set up no problem, and I can receive mail. However sending mail will not work no matter what SMTP settings I…
speedreeder
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Verify IMAP/POP3 connection to Microsoft Exchange Server 5.5

I wanted to fully explore IMAP connections from the command line, if I can connect via Thunderbird, then I should be able to via telnet?! Microsoft detail IMAP login as :- LOGIN NTDOMAIN/NTACCOUNT/ALIAS PASSWORD The settings in my Thunderbird are…
IanVaughan
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Exchange 2003 SMTP SSL and various email clients

This Exchange 2003 server sits behind a firewall with a virtual SMTP server listening on port 465 and attached an SSL certificate from Comodo to the virtual server. However, when trying to send from Apple Mail.app 4.x and Outlook 2011 for Mac, it…
FrancisV
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How does Thunderbird discover e-mail servers?

We are deploying some test e-mail servers with the subdomain mail (i.e., mail.example.com). Now, it seems that Thunderbird discovers that e-mail server when we are configuring e-mail. How does Thunderbird accomplish this? I'm assuming it tries to…
Belmin Fernandez
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How to achieve in-folder discussions with IMAP (skip SMTP send, Thunderbird)?

Does anyone know a good way to achieve replying to a message into the same IMAP folder without sending another duplicate copy over SMTP? This is to be achieved with a conventional GUI mail client, especially Thunderbird. Goal is to have an…
lkraav
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Thunderbird doesn't show folders on a new Dovecot install

I set up a new mailserver with postfix and Dovecot some days ago, everything is working except for Thunderbird not showing any folders. Evolution shows me all folders. I migrated from a Courier install using imapsync. In the filesystem the folders…
Zoran Zaric
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Dovecot/Postfix Auto Adding Account to Thunderbird Fails With Wrong Username

I've configured Postfix and Dovecot with MySQL and I can successfully send and receive email using Thunderbird (or other applications) but I must configure using manual settings and not with the automatic configuration. The example below shows…
stix
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Cleaning Thunderbird Inbox of old viruses

I am running BitDefender and it seems to be picking up stuff that Norton never mentioned. The problem is that BD reports a number of old viruses in my inbox that it says it can't disinfect because they've been archived. I assume these are all…
Paul Morrison
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Courier-IMAP + Thunderbird (+ Roundcube) subscription woes

So we have a mail system built on postfix-courier-saslauthd with unix users and maildirs and TONS of shared folders. Both T'bird (2.0.0.21) and Roundcube exhibits weird symptoms with subscriptions. In Roundcube, if I go into Personal Settings ->…
KTamas
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Thunderbird 'wrong site' error for SSL certificate in port 465

I started to use Thunderbird. While sending emails, it gives an error saying that Sending of the message failed. Unable to communicate securely with peer: requested domain name does not match the server’s certificate. The configuration related to…
seeker
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Access to server being routed through Russia

For 2 days I have been unable to use Thunderbird on my Ubuntu 18.04 desktop to login to my remote production pop3 server (Postfix, Ubuntu 16.04). Access is denied with message authentication failure; rhost=185.244.41.45. When I do a whois on that ip…
MGibbons
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Exchange IMAP4 connector - Error Event ID 2006

A couple of users in my organisation use IMAP4 to connect to Exchange 2007 (Update rollup 9 applied) because they prefer Thunderbird / Postbox clients. One of the users is generating errors in the Application Log as follows: An exception…
MikeB
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