Questions tagged [thunderbird]

For questions relating to the email client from Mozilla Messaging.

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message of "enter at least one recipient" on roundcube, when i have my mail server ok

I recently installed roundcube and tried to use it, I have a web server (were I have that roundcube) and a mail server, with thunderbird in my client machine, I can use all mail users I made witouth ...
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1 vote
1 answer
1k views

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 ...
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  • 11
1 vote
2 answers
2k views

Thunderbird doesn't work with postfix/dovecot

My environment: ubuntu 20.04.1 LTS postfix 3.4.13 dovecot 2.3.7.2 Setup is extremely simple. I configured postfix via built-in master as an internet site host. Dovecot (I use it as IMAP server) ...
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1 vote
1 answer
90 views

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; ...
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2 votes
1 answer
5k views

Thunderbird won't connect to Dovecot server

Since yesterday my Thunderbird client can't connect to my mail server but two other clients I tried have no problem to retrieve email. In my mail log file I have these lines: Nov 26 13:24:46 ...
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  • 41
0 votes
1 answer
88 views

Does Dovecot make Foxmail / Thunderbird / Outlook to receive duplicated email?

I've built a Postfix(2.10.1-7.el7.x64.rpm) + Dovecot(2.3.11-build) mail server for my host. It functions well for me at the very beginning. After using for a while, I kept receiving duplicated mails ...
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  • 1
0 votes
0 answers
324 views

Why cannot I retrieve emails from Cyrus-imap pop3 server?

When I click "Get Messages" in the Thunderbird client, I cannot retrieve any email from my Cyrus-imap pop3 server. I configured Thunderbird client to use pop3 port 995, Connection security: ...
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  • 69
0 votes
1 answer
747 views

How can I set file permissions for new files in Maildir?

So I run debian 10 through VMbox on win10. I am setting up an email server right now and the things that won't let me turn in this quest is that I can't receive mail from the internet though I can ...
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0 votes
1 answer
167 views

Incoming emails are not visible Postfix

After 3 days I've decided to seek some help with postfix. I can send emails but I don't see the inbound emails! First it was working into Queue, when I tried to fix it to deliver to the right inbox it ...
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0 votes
0 answers
696 views

Thunderbird failed to find the settings for your email account

I can't seem to overcome the "Thunderbird failed to find the settings for your email account" error. I'm using Virtualbox (ubuntu, virtual server, virtual workstation, localhost Servername: ...
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1 vote
1 answer
83 views

Outlook and Thunderbird connecting to IMAP server where mail has been deleted

Have a rebuilt IMAP mail server which is missing emails for a time period. I have tried to search but only found articles about migration. Question is, will outlook and thunderbird etc sync such ...
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  • 115
1 vote
1 answer
1k views

Can't send an email via E-mail client for Postfix/Dovecot

On my server with Postfix, Dovecot and Postgresql I can receive email flawsly, but not send them. Via Thunderbird. When trying to send it, I see this in the logs of Postfix: postfix/qmgr[14391]: ...
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1 vote
0 answers
344 views

Thunderbird on Windows 10 very slow Dovecot

A client have following set up - Dedicated CentOS 6.x server running Postfix + Dovecot 2.0.9 in some data center. 5-6 Windows 10 client computers with latest Thunderbird (IMAP) Some Windows 7 client ...
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  • 776
0 votes
0 answers
542 views

Thunderbird sub folders grayed out after migrating to new mail server (postfix,dovecot,docker)

I migrated my old mail server (postfix,dovecot,...) to a new one (same services but with docker). In addition I changed the mail dir of the single account from .../domain.tld/name/Maildir to .../...
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  • 201
1 vote
0 answers
1k views

Postfix/Dovecot: Thunderbird can't move to sent

I have a small mail server set up using postfix and dovecot. All is well; I have proper certificates, multiple isolated users, etc. However, when sending a message from Thunderbird I get an error: "...
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0 votes
0 answers
251 views

dovecot (+sendmail) fails to get email into thunderbird

I ain't able to get emails into my email application (thunderbird). I use 143 Imap to connect which i have tested with telnet and was able to login. But if i select the inbox with telnet it returns "...
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  • 101
0 votes
2 answers
1k views

Thunderbird refuses to connect to dovecot with letsencrypt cert

I've set up https://hub.docker.com/r/tvial/docker-mailserver/ with a Letsencrypt certificate and it seems to work. For instance, using openssl, I can connect: openssl s_client -host test-mail....
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0 votes
1 answer
444 views

SSL Errors in log after thunderbird fails

I am new to operating an email server (postfix + dovecot), and things seem to be working with my preferred email client (mutt), but when I try to use thunderbird, thunderbird fails to connect (and ...
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  • 103
1 vote
1 answer
443 views

thunderbird.cfg trust ca root certificate

We have just started using Thunderbird autoconfiguration and find it really useful for automatically creating the company standard imap, smtp and ldap accounts for every user that launches the mail ...
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  • 1,007
4 votes
1 answer
2k views

Need help automating thunderbird deployment with our own root certificate

We are in the process of setting up a self-hosted mail solution in our lab and we're required to be our own CA. The problem we're having is that Thundebird is complaining that our root certificate is ...
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1 vote
1 answer
841 views

I use postfix, why does my Maildir contain 14,000 files?

As I am about to drop a server, I thought, I should clean up my Maildir directory, just in case. It may contain some emails with password and such so I do not want those to be readable by others. I ...
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  • 1,972
2 votes
1 answer
76 views

("remotely") Managing filters with Horde 3.3.13

I'm using Horde 3.3.13 (which is an old version I know) and uses the filters all the time. I know that thunderbird, for instance, also support filters. Is there a way to synchronize the filters on ...
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  • 111
1 vote
1 answer
8k views

354 End data with <CR><LF>.<CR><LF>, mail not sent [duplicate]

I know, there is already an answer to this smtp-status, but sorry: i don't get it. A Customer of mine sends a big amount of mails and some can't be send cause of: This is the mail system at host ...
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-2 votes
1 answer
1k views

Unable to login to email server that I can telnet to?

I just finished following this tutorial on Digital Ocean for configuring a Dovecot, MySQL, and Postfix email server. I did not follow it to the end. (I didn't install Spam Assassin.) I also used a ...
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  • 135
0 votes
0 answers
117 views

Sendmail + Qpopper + Dovecot

this is our configuration, we used Sendmail, Qpopper POP3 for clients as Outlook/Thunderbird, Dovecot as IMAP for Rouncube/SquirrelMail. Dovecot is used only for webmails but i want used IMAP for ...
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  • 11
1 vote
1 answer
1k views

Thunderbird STARTTLS fails connecting to Cyrus-IMAP 2.2.13

Today all of a sudden my Icedove mail clients (38.7.0) ceased working using STARTTLS after I renewed the server certificate. Plain text IMAP works fine. The server logs STARTTLS negotiation failed ...
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0 votes
2 answers
6k views

Cannot connect to Postfix from Outlook or Thunderbird

I've managed to install postfix, it works, when i am logged into my VPS as root I can send and receive mail fine. But the problem is i cannot connect with thunderbird or outlook. I also cannot ...
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1 vote
4 answers
5k views

How to configure MAILSERVER so that MAIL CLIENTS can automatically find settings

I have a mail server: postfix; dovecot; mysql; ssl cert. That is work. But, how to configure my MAILSERVER so that MAIL CLIENTS (thunderbird, apple mail, outlook) can automatically find settings ?
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3 votes
1 answer
4k views

Thunderbird roaming profile best practice

I'm running a small windows network (AD) where we use Thunderbird to retrieve mails via IMAP. However, some users have also created local folders in order to archive messages. The goal is that users ...
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  • 963
1 vote
0 answers
175 views

AD Domain: Deploy Thunderbird Gmail Settings

In our (small) organization, we are using Google Apps (aka Gmail for business) as an email service. We found Thunderbird to be a good client for Google Apps and wish to keep using it. Now, we are ...
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  • 963
2 votes
0 answers
890 views

Autoconfig and Autodiscover records added, Mail Apps still not discovering configuration

I have setup autodiscover and autoconfig configuration over my linux server Auto Discover Auto Config by following this Tutorial but my mailing apps are still not getting the configuration ...
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9 votes
1 answer
360 views

Postfix Multi Domain Email Going to Spam

I have read over the other post from other users on this site about this topic. I think I see my problem but cannot figure out where to change it. My configuration: RDNS for 107.170.172.XXX: ...
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0 votes
2 answers
254 views

One email address recognized as spam [duplicate]

Emails send from some of the addresses in one domain are marked as spam by multiple email clients. Since just few addresses within the domain are marked as spam, I do not think it is a domain problem, ...
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0 votes
2 answers
1k views

Postfix configuration with Dovecot, MySQL, and SpamAssasin

I am relatively familiar with Debian and have been trying to setup a mail server with this tutorial. Now i have gone through all the comments provided on the website to try route out the problem but ...
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  • 141
5 votes
1 answer
29k views

IMAP TLS connection to Dovecot fails

Original title: IMAP connection to Dovecot fails only from Thunderbird I have set up Dovecot with SSL (TLS) on port 993. I can connect with Outlook, PHP SMTP and Android Mail, however Thunderbird ...
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1 vote
1 answer
924 views

Out-of-date IMAP back-up - restore emails from Client?

The IMAP server just died (Dovecot with Maildirs). The back-up is 1 day old. The missing day of emails is available on the Thunderbird local client. If the IMAP server is restored from backup, on ...
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1 vote
1 answer
2k views

Lockdown Mozilla Thunderbird on Windows Remote Desktop Services

I've installed Mozilla Thunderbird 31.3.0 on a Windows Server 2012 R2 which has the Remote Desktop Services role. I want to configure the Thunderbird program and set each user's email account etc and ...
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5 votes
2 answers
3k views

Dovecot SSL Certificate is not accepted

I have certificates issued from StartSSL, which is a trusted authority for certificates, and my websites work with its certificates with no problems and no complaints from all browsers about any trust ...
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7 votes
2 answers
61k views

SSL_accept error when mail client connect to postfix

I've managed to set up postfix and dovecot with self-signed certificate on my server. I can send and receive email using telnet command there. Now I want to connect to my mail server from a ...
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  • 267
1 vote
0 answers
615 views

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 ...
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  • 11
0 votes
1 answer
388 views

starttls fails after IP address change

I have changed the IP address of our exim mail server (the virtual machine has been copied to a different host, also the network configuration is using NAT). Now it no longer accepts STARTTLS ...
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  • 1,336
1 vote
3 answers
4k views

Exim after Thunderbird update: "Could not negotiate a supported cipher suite" [closed]

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 ...
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  • 177
2 votes
1 answer
395 views

Dovecot not serving old migrated emails for some clients

I have just migrated my emails to a new mail server. The old and the new server had the exact same setup using MailDir with fetchmail, procmail and dovecot. The configurations of those three ...
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2 votes
1 answer
1k views

IMAP Email issue - Not logging in with correct password [closed]

A little while ago, my email stopped working all of a sudden. The email is hosted on a cPanel server, and it seems to be just my accounts (I have 2 different emails, on 2 domains that are both not ...
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0 votes
0 answers
614 views

How to setup an openldap addressbook for thunderbird secure s/mime email ?

I want to setup an ldap server that will hold an addressbook of users their emails their smime certificates. I want to use this ldap server as an addressbook in thunderbird and/or other mail clients ...
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  • 41
-1 votes
1 answer
1k views

I can not use calendars hosted on the server with Thunderbird and Lightning [closed]

I am trying to use Thunderbird and Lightning to use caldav calendars. Still does not work. I have no experience with calendars, you likely have some things wrongly configured. I installed cyrus-...
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-2 votes
2 answers
1k views

Install Mozilla Thunderbird on NAS [closed]

I have a small office with 3 computers running Linux Ubuntu. All the data are stored in a NAS drive (WD MyBook Live). I would like to - somehow - be able to access the email archives as well from each ...
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0 votes
1 answer
490 views

Configure apache for subdomain.* style entries (mail autoconfiguration)

I am trying to create a site for the outlook and thunderbird autoconfiguration, in both cases they are using a specific subdomain to pull the configuration xml. You need to create the following ...
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  • 688
1 vote
1 answer
170 views

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 ...
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  • 1,431
5 votes
2 answers
18k views

Thunderbird not trusting certificate signed with self-signed authority

I have generated a self-signed certificate authority using mydomain.org as the common name. I imported the public certificate using Thunderbird's certificate manager under the "Authorities" tab. So ...
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  • 316