The solution was auth_username_format = %Ln

in /etc/dovecot/conf.d/10-auth.conf

I saw it on another thread. Thanks Pascal

On Mon, Feb 22, 2016 at 3:11 PM, soko.tica soko.tica@gmail.com wrote:

Hello list,

I am trying to send an e-mail message from the local root to another local user (alias to root) on the same box. While it functions without dovecot, it doesn't work with dovecot installed. Local user is recognized, but local user@domain.tld isn't. While this option is turned on in postfix, I believe it has something with dovecot configuration, due to doveadm isnt' able to recognise user@domain.tld

Bellow are the outputs of doveadm user username, doveadm user username@domain.tld, doveconf -n, tail -f /var/log/mail.log, cat /etc/aliases and postconf -n.

Please advise. Thanks in advance.

# doveadm user testuser field value uid 1000 gid 1000 home /home/testuser mail maildir:~/Maildir system_groups_user testuser

# doveadm user testuser@mail.domain.tld field valueuserdb lookup: user testuser@mail.domain.tld doesn't exist

# doveadm user testuser@domain.tld field valueuserdb lookup: user testuser@domain.tld doesn't exist

# doveconf -n # 2.2.13: /etc/dovecot/dovecot.conf # OS: Linux 3.18.26-x1-64 x86_64 Debian 8.3 hostname = mail.domain.tld lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes lda_original_recipient_header = X-Original-To lmtp_save_to_detail_mailbox = yes mail_location = maildir:~/Maildir maildir_very_dirty_syncs = yes 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 = separator = / type = private } passdb { driver = pam } passdb { driver = pam } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } postmaster_address = postmaster@mail.domain.tld protocols = lmtp service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } ssl = no ssl_cert =

# tail -f /var/log/mail.log

Feb 22 13:21:01 uidigaa4 postfix/qmgr[4657]: 75E0722137: removed Feb 22 13:21:01 uidigaa4 dovecot: lmtp(4764): Connect from local Feb 22 13:21:01 uidigaa4 postfix/lmtp[4763]: 82EA222140: to=testuser@mail.domain.tld, orig_to=root@mail.domain.tld, relay=mail.domain.tld[private/dovecot-lmtp], delay=0.01, delays=0/0/0.01/0, dsn=5.1.1, status=bounced (host mail.domain.tld[private/dovecot-lmtp] said: 550 5.1.1 testuser@mail.domain.tld User doesn't exist: testuser@mail.domain.tld (in reply to RCPT TO command)) Feb 22 13:21:01 uidigaa4 dovecot: lmtp(4764): Disconnect from local: Successful quit Feb 22 13:21:01 uidigaa4 postfix/qmgr[4657]: 82EA222140: removed

# cat /etc/aliases # See man 5 aliases for format postmaster: root root: testuser

# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no config_directory = /etc/postfix delay_warning_time = 4h inet_interfaces = all mailbox_size_limit = 0 mailbox_transport = lmtp:unix:private/dovecot-lmtp mydestination = $myhostname localhost.$mydomain localhost $mydomain mydomain = domain.tld myhostname = mail.domain.tld mynetworks = [::ffff:127.0.0.0]/104 [::1]/128 myorigin = $myhostname notify_classes = resource, software readme_directory = no recipient_delimiter = + relay_domains = $mydestination relay_transport = error smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes