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Jedi avatar Ubuntu

email not working after upgrade

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Jedi

After upgrading from Ubuntu 20.04 to 22.04 my email server in not working:

Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: Loading modules from directory: /usr/lib/dovecot/modules/auth
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: Module loaded: /usr/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: Module loaded: /usr/lib/dovecot/modules/auth/libdriver_mysql.so
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: Read auth token secret from /run/dovecot/auth-token-secret.dat
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: auth client connected (pid=2161995)
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: client in: AUTH        1        PLAIN        service=imap        secured        session=IeZcMfT0Fqx/AAAB        lip=127.0.0.1        rip=127.0.0.1        lport=143        rport=44054        resp=<hidden>
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): Performing passdb lookup
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: Loading modules from directory: /usr/lib/dovecot/modules/auth
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: Module loaded: /usr/lib/dovecot/modules/auth/lib20_auth_var_expand_crypt.so
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: Module loaded: /usr/lib/dovecot/modules/auth/libdriver_mysql.so
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): Server accepted connection (fd=13)
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): Sending version handshake
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: Handling PASSV request
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): Performing passdb lookup
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): lookup service=dovecot
Feb 18 20:15:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): #1/1 style=1 msg=Password:
Feb 18 20:15:22 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): pam_authenticate() failed: Authentication failure (Password mismatch?)
Feb 18 20:15:22 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): Finished passdb lookup
Feb 18 20:15:22 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): auth-worker<1>: Finished: password_mismatch
Feb 18 20:15:22 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: pam(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): Finished passdb lookup
Feb 18 20:15:22 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: auth(postmaster@xxxxxxxxxxxx.nz,127.0.0.1,<IeZcMfT0Fqx/AAAB>): Auth request finished
Feb 18 20:15:24 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth: Debug: client passdb out: FAIL        1        user=postmaster@xxxxxxxxxxxx.nz
Feb 18 20:15:24 mail.xxxxxxxxxxxx.nz dovecot[3577198]: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<postmaster@xxxxxxxxxxxx.nz>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured, session=<IeZcMfT0Fqx/AAAB>
Feb 18 20:16:20 mail.xxxxxxxxxxxx.nz dovecot[3577198]: auth-worker(2161997): Debug: conn unix:auth-worker (pid=2161996,uid=130): Disconnected: Connection closed (fd=-1)

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.xxxxxxxxxxxx.nz
auth_debug = yes
auth_mechanisms = plain login
auth_username_format = %{if;%d;eq;mail.xxxxxxxxxxxx.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 users

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

auth_username_format=%{if;%d;eq;mail.xxxxxxxxxxxx.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@xxxxxxxxxxxx.nz): getpwnam() failed: Address family not supported by protocol

Don't know what this error means.

root@mail:~# doveadm user postmaster@xxxxxxxxxxxx.nz
doveadm(postmaster@xxxxxxxxxxxx.nz)<536525><>: Error: auth-master: userdb lookup(postmaster@xxxxxxxxxxxx.nz): Auth USER lookup failed
field   value

root@mail:~# tail /var/log/mysql/error.log
2023-04-08 16:01:01 12277 [Warning] Aborted connection 12277 to db: 'iredadmin' user: 'iredadmin' host: 'localhost' (Got an error reading communication packets)
2023-04-08 16:02:18 12280 [Warning] Aborted connection 12280 to db: 'iredapd' user: 'iredapd' host: 'localhost' (Got an error reading communication packets)
2023-04-08 17:01:01 12398 [Warning] Aborted connection 12398 to db: 'iredapd' user: 'iredapd' host: 'localhost' (Got an error reading communication packets)
2023-04-08 17:01:01 12399 [Warning] Aborted connection 12399 to db: 'vmail' user: 'vmailadmin' host: 'localhost' (Got an error reading communication packets)
2023-04-08 17:01:01 12400 [Warning] Aborted connection 12400 to db: 'iredadmin' user: 'iredadmin' host: 'localhost' (Got an error reading communication packets)
2023-04-08 17:02:22 12402 [Warning] Aborted connection 12402 to db: 'iredapd' user: 'iredapd' host: 'localhost' (Got an error reading communication packets)
2023-04-08 18:01:01 12521 [Warning] Aborted connection 12521 to db: 'iredapd' user: 'iredapd' host: 'localhost' (Got an error reading communication packets)
2023-04-08 18:01:01 12523 [Warning] Aborted connection 12523 to db: 'vmail' user: 'vmailadmin' host: 'localhost' (Got an error reading communication packets)
2023-04-08 18:01:01 12522 [Warning] Aborted connection 12522 to db: 'iredadmin' user: 'iredadmin' host: 'localhost' (Got an error reading communication packets)
2023-04-08 18:02:18 12525 [Warning] Aborted connection 12525 to db: 'iredapd' user: 'iredapd' host: 'localhost' (Got an error reading communication packets)

root@mail:/etc/dovecot# grep -v ‘^ *\(#.*\)\?$’ dovecot-mysql.conf
grep: *(#.*)?$’: No such file or directory
dovecot-mysql.conf:driver = mysql
dovecot-mysql.conf:default_pass_scheme = CRYPT
dovecot-mysql.conf:connect = host=127.0.0.1 port=3306 dbname=vmail user=vmail password=yf3dsQM2I2HIixrXwfjBpL1AeLWXiP2h
dovecot-mysql.conf:
dovecot-mysql.conf:# Required by doveadm tools which require to list all mail users.
dovecot-mysql.conf:iterate_query = SELECT username AS user FROM mailbox
dovecot-mysql.conf:
dovecot-mysql.conf:password_query = SELECT mailbox.password, mailbox.allow_nets \
dovecot-mysql.conf:        FROM mailbox,domain \
dovecot-mysql.conf:       WHERE mailbox.username='%u' \
dovecot-mysql.conf:             AND mailbox.`enable%Ls%Lc`=1 \
dovecot-mysql.conf:             AND mailbox.active=1 \
dovecot-mysql.conf:             AND mailbox.domain=domain.domain \
dovecot-mysql.conf:             AND domain.backupmx=0 \
dovecot-mysql.conf:             AND domain.active=1
dovecot-mysql.conf:
dovecot-mysql.conf:user_query = SELECT \
dovecot-mysql.conf:            LOWER('%u') AS master_user, \
dovecot-mysql.conf:            LOWER(CONCAT(mailbox.storagebasedirectory, '/', mailbox.storagenode, '/', mailbox.maildir)) AS home, \
dovecot-mysql.conf:            CONCAT(mailbox.mailboxformat, ':~/', mailbox.mailboxfolder) AS mail, \
dovecot-mysql.conf:            CONCAT('*:bytes=', mailbox.quota*1048576) AS quota_rule \
dovecot-mysql.conf:        FROM mailbox,domain \
dovecot-mysql.conf:       WHERE mailbox.username='%u' \
dovecot-mysql.conf:             AND mailbox.`enable%Ls%Lc`=1 \
dovecot-mysql.conf:             AND mailbox.active=1 \
dovecot-mysql.conf:             AND mailbox.domain=domain.domain \
dovecot-mysql.conf:             AND domain.backupmx=0 \
dovecot-mysql.conf:             AND domain.active=1
330
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NK_ avatar
ng flag
NK_
Can you past the contents of /etc/dovecot/conf.d/10-auth.conf file pls. Also some more information could be helpful. Do you have postfix as smtp server? What is your user authentication method etc.
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Jedi avatar
in flag
Jedi
I have edited my question to include the requested information. The email server was installed following the directions here: https://www.linuxbabe.com/mail-server/ubuntu-20-04-iredmail-server-installation
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