Hi, Latest dovecot does not work with latest thunderbird. It does not react to sent emails. They are put to maildir by postfix a-ok. The version of thunderbird that works ok: 68.12.1 Distro: Distributor ID: Ubuntu Description:??? Ubuntu 20.04.2 LTS Release:??????? 20.04 Codename:?????? focal $ dovecot -n # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # Pigeonhole version 0.5.7.2 () # OS: Linux 5.9.0-rc5 x86_64 Ubuntu 20.04.2 LTS # Hostname: superman.sillywalk.org auth_debug = yes auth_debug_passwords = yes auth_mechanisms = plain login auth_verbose = yes auth_verbose_passwords = plain debug_log_path = /var/log/dovecot-debug.log info_log_path = /var/log/dovecot-info.log log_path = /var/log/dovecot.log mail_debug = yes mail_location = maildir:~/Maildir/ mbox_write_locks = fcntl namespace inbox { ? inbox = yes ? location ? mailbox Drafts { ??? special_use = \Drafts ? } ? mailbox Junk { ??? special_use = \Junk ? } ? mailbox Sent { ??? special_use = \Sent ? } ? mailbox "Sent Messages" { ??? special_use = \Sent ? } ? mailbox Trash { ??? special_use = \Trash ? } ? prefix } passdb { ? driver = pam } protocols = imap pop3 service auth { ? unix_listener /var/spool/postfix/private/auth { ??? group = mail ??? mode = 0660 ??? user = postfix ? } } ssl_cert = </etc/letsencrypt/live/lja.fi/fullchain.pem ssl_dh = # hidden, use -P to show it ssl_key = # hidden, use -P to show it userdb { ? driver = passwd } protocol imap { ? imap_metadata = yes } local_name paxsudos.fi { ? ssl_cert = </etc/letsencrypt/live/somethingB.fi/fullchain.pem ? ssl_dh = # hidden, use -P to show it ? ssl_key = # hidden, use -P to show it } local_name paxsudos.com { ? ssl_cert = </etc/letsencrypt/live/somethingB.com/fullchain.pem ? ssl_dh = # hidden, use -P to show it ? ssl_key = # hidden, use -P to show it } local_name lja.fi { ? ssl_cert = </etc/letsencrypt/live/somethingA.fi/fullchain.pem ? ssl_dh = # hidden, use -P to show it ? ssl_key = # hidden, use -P to show it } -- <https://paxsudos.com/> ,-- Information -------------------------------------------------------- ------ --- -- - | Lauri Jakku | Contact: | Phone: +358 40 220 3910 | Address: Puusep?nkatu 1 A 3, 90130 Oulu, Finland '--------------- -------- ----- ----- ------- ---- --- -- Firmani, Paxsudos IT, kautta olen j?tt?m?ss? oman, vaikka pienen, j?ljen ymp?rist?tekoina, ett? tulevaisuudessakin voimme nauttia luonnosta. Ymp?rist? ja luonto on sellaista joita otamme itsest??nselvyyksin?, tuon takia on k?ym?ss? niin ett? havahdumme kun on tilanne eritt?in huono. We offset our carbon footprint via Ecologi <https://ecologi.com/paxsudosit> ,-- Virus scan done for content -------------------------------------------------------- ------ --- -- - | Known viruses: 10722370 | Engine version: 0.102.4 | Scanned directories: 0 | Scanned files: 1 | Infected files: 0 | Data scanned: 0.01 MB | Data read: 0.01 MB (ratio 1.00:1) | Time: 16.864 sec (0 m 16 s) '--------------- -------- ----- ----- ------- ---- --- -- -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://dovecot.org/pipermail/dovecot/attachments/20210314/b0f5631f/attachment.html>