Bug Fixes
- Fix incorrect tag for MDN sent and hide junk flag used by Thunderbird (6269d18)
- l10n: Update translations from Transifex (cc38937)
- l10n: Update translations from Transifex (c1efe60)
- l10n: Update translations from Transifex (3fb983c)
- l10n: Update translations from Transifex (3e83dbf)
- l10n: Update translations from Transifex (7b103a1)
- revive mentioning in composer (73977b5)
- smtp: log SMTP error code (cf33487)