Thunderbird

Version 19b1..21b1 have problem with charset autodetection. Fixed in release version 24 :HELP:

Version 45.8.1 (2017-03-06) works well with Enigmail 1.8.2 and Sieve 0.2.3h. Versions 52.0 (2017-04-03) and higher do not work with them: Enigmail should be upgraded to 1.9.x and Sieve to v0.2.3k.

Addons

Questions answered

For more tips go here.

How to setup Mozilla Address book via LDAP?

The standard fields are mapped to object class inetOrgPerson. In order to use the fields, which do not match the standard, you need to use the advanced schema. Some advanced features are discussed here. See also HOWTO Create LDAP server for shared Address Book in Thunderbird.

Symptom: When the user click on hyperlink in message, external browser is not launched.

Check Hyperlinks in Messages Not Working.

How to change the introduction (header top) sentence of the reply?

You can trick the below mentioned options in configuration editor. If this does not provide you with enough flexibility, use SmartTemplate addon.

prefs.js

user_pref("mailnews.reply_header_type", 3);
user_pref("mailnews.reply_header_authorwrote", "%s wrote");
user_pref("mailnews.reply_header_ondate", "on %s");
user_pref("mailnews.reply_header_separator", " ");
user_pref("mailnews.reply_header_colon", ":");

How to make Ctrl+MouseWheel to scale the font?

Set mousewheel.withcontrolkey.action=3 (see About config entries: MouseWheel)

In Thunderbird v24 inline images are bugger if DPI setting is higher then 100%

See Inline image is displayed 25% bigger then original and also Thunderbird FAQ.

Starting from v22b1 Thunderbird integrates latest HTML engine.

The margin between top of the page and header is too small

Set one of:
  • print.printer_Name.print_edge_top = 10
  • print.printer_Name.print_unwriteable_margin_top = 10

Also set print.print_edge_top = 10 – this value will be used when new printer settings are created.

STARTTLS does not work for Thunderbird

Log entry states: 
cyrus/imap[2712]: STARTTLS negotiation failed: [192.168.1.12]

and as a result the connection cannot be established.

Check if the traffic is not intersected by network antivirus.
  1. For Avast you can add the exception.
  2. For KAV/KIS go to Settings → Options → Network → Monitored ports: Monitor selected ports only → Select… → switch off IMAP1) (I failed to add Thunderbird to exclusion: in Rules Settings → Applications tab Thunderbird is listed as trusted). Also try to install the certificate.
  3. For Kaspersky PURE go My Computer Protection → Settings (in top right corner) → Network: Monitor selected ports only → Select… → disable IMAP.

How to compact IMAP folders?

First, compact the folders from File → Compact Folders. Additionally you can remove the offline contents by executing this CMD script (it uses CygWin utilities):
find "%APPDATA%\Thunderbird\Profiles\profile.name\ImapMail" -type f -a -size +10M -a -not -name '*.*' -exec rm '{}' ;

The password is not saved in secure store

It may happen when upgrading Thunderbird from v52.9.1. Try removing files key3.db, cert8.db, logins.json when Thunderbird is closed and then start it again.

How to copy data from one profile to another?

Check Transferring data to a new profile.

What do to if Thunderbird is not working?

Check Thunderbird standard diagnostic.

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1) See also post in KAV forum