Hi,

First of all may I say I am not an expert on Dovecot so please forgive me if the answer to my query is obvious.

After upgrading from Ubuntu 20.04 to 22.04 my email is not working.

root@mail:~# doveconf -n

# 2.3.16 (7e2e900c1a): /etc/dovecot/dovecot.conf

# Pigeonhole version 0.5.16 (09c29328)

# OS: Linux 5.15.0-60-generic x86_64 Ubuntu 22.04.1 LTS

# Hostname: mail.odysseytours.nz

auth_debug = yes

auth_mechanisms = plain login

auth_username_format = %{if;%d;eq;mail.odysseytours.nz;%Ln;%Lu}

listen = *, ::

mail_debug = yes

mail_location = mbox:~/mail:INBOX=/var/mail/%u

mail_privileged_group = mail

managesieve_notify_capability = mailto

managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext

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

}

plugin {

  sieve = file:~/sieve;active=~/.dovecot.sieve

}

protocols = " imap lmtp sieve pop3"

service stats {

  unix_listener stats-reader {

    group = vmail

    mode = 0660

    user = vmail

  }

  unix_listener stats-writer {

    group = vmail

    mode = 0660

    user = vmail

  }

}

ssl_cert = </etc/dovecot/private/dovecot.pem

ssl_cipher_list = EECDH+CHACHA20:EECDH+AESGCM:EDH+AESGCM:AES256+EECDH

ssl_client_ca_dir = /etc/ssl/certs

ssl_dh = # hidden, use -P to show it

ssl_key = # hidden, use -P to show it

userdb {

  args = blocking=no

  driver = passwd

}

root@mail:~# doveadm user -f 'username' '*'

nobody

mike

systemd-coredump

sogo

vmail

mlmmj

iredadmin

iredapd

snapd-range-524288-root

snap_daemon

Error: auth-master: userdb list: User listing returned failure

Fatal: user listing failed

root@mail:~# doveadm index -A -q \*

doveadm(nobody): Error: mkdir(/nonexistent/mail/.imap) failed: Permission denied (euid=65534(nobody) egid=65534(nogroup))

doveadm(systemd-coredump): Error: mkdir(//mail/.imap) failed: Permission denied (euid=999(systemd-coredump) egid=999(systemd-coredump) missing +w perm: /, dir owned by 0:0 mode=0755)

doveadm(snapd-range-524288-root): Error: mkdir(/nonexistent/mail/.imap) failed: Permission denied (euid=524288(snapd-range-524288-root) egid=524288(snapd-range-524288-root))

doveadm(snap_daemon): Error: mkdir(/nonexistent/mail/.imap) failed: Permission denied (euid=584788(snap_daemon) egid=584788(snap_daemon))

doveadm(3015804): Error: auth-master: userdb list: User listing returned failure

doveadm: Error: Failed to iterate through some use

Contents of /etc/dovecot/conf.d/10-auth.conf with all comments removed:

auth_username_format=%{if;%d;eq;mail.odysseytours.nz;%Ln;%Lu}

#https://serverfault.com/questions/260488/dovecot-user-lookup-fails-when-using-usernamedomain-format

auth_mechanisms = plain login

!include auth-system.conf.ext

Contents of /etc/dovecot/conf.d/auth-system.conf.ext with all comments removed:

passdb {

  driver = pam

  }

userdb {

    driver = passwd

    ##https://doc.dovecot.org/configuration_manual/authentication/passwd/#authentication-passwd

    args = blocking=no 

}

It says "Authentication failure (Password mismatch?)" but its definitely the correct password.

root@mail:/home/mike# doveadm log errors

Feb 22 02:43:48 Error: auth: passwd(postmaster@odysseytours.nz): getpwnam() failed: Address

Don't know what this error means.

root@mail:/home/mike# doveadm log errors

Feb 22 02:43:48 Error: auth: passwd(postmaster@odysseytours.nz): getpwnam() failed: Address family not supported by protocol

Don't know what this error means. Any help would be greatly appreciated.