I have Postfix/DoveCot/SASL with mysql setup up running on Ubuntu Server
10.04. I believe that when the mail comes in, something in the settings
is not allowing the data to be parsed correctly resulting in the User
unknown error.
Here is the output from postfinger
postfinger - postfix configuration on Fri Dec 14 11:14:05 PST 2012
version: 1.30
Warning: postfinger output may show private configuration information,
such as ip addresses and/or domain names which you do not want to show
to the public. If this is the case it is your responsibility to modify
the output to hide this private information. [Remove this warning with
the --nowarn option.]
--System Parameters--
mail_version = 2.7.0
hostname = www.cross-town-traffic-software.com
uname = Linux www.cross-town-traffic-software.com 3.6.5-linode47 #1 SMP
Sun Nov 4 12:51:35 EST 2012 i686 GNU/Linux
--Packaging information--
looks like this postfix comes from deb package: postfix-2.7.0-1ubuntu0.2
--main.cf non-default parameters--
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
debug_peer_list = 127.0.0.1
home_mailbox = mail/
html_directory = /usr/share/doc/postfix/html
mailbox_size_limit = 30820000
message_size_limit = 30720000
mydestination = $mydomain,localhost, localhost.localdomain
myhostname = cross-town-traffic-software.com
mynetworks = 127.0.0.0/8,173,255.254.7
myorigin = /etc/mailname
proxy_read_maps = $local_recipient_maps $mydestination
$virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps
$virtual_mailbox_domains $relay_recipient_maps $relay_domains
$canonical_maps $sender_canonical_maps $recipient_canonical_maps
$relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps
recipient_delimiter = +
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
smtpd_recipient_restrictions = permit_mynetworks,
permit_sasl_authenticated, reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
virtual_alias_domains =
virtual_alias_maps =
proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf,
mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_gid_maps = static:5000
virtual_mailbox_base = /home/vmail
virtual_mailbox_domains =
proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps =
proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_transport = dovecot
virtual_uid_maps = static:5000
--master.cf--
smtp inet n - - - - smtpd -v
pickup fifo n - - 60 1 pickup
cleanup unix n - - - 0 cleanup
qmgr fifo n - n 300 1 qmgr
tlsmgr unix - - - 1000? 1 tlsmgr
rewrite unix - - - - - trivial-rewrite
bounce unix - - - - 0 bounce
defer unix - - - - 0 bounce
trace unix - - - - 0 bounce
verify unix - - - - 1 verify
flush unix n - - 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - - - - smtp
relay unix - - - - - smtp
-o smtp_fallback_relay=
showq unix n - - - - showq
error unix - - - - - error
retry unix - - - - - error
discard unix - - - - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - - - - lmtp
anvil unix - - - - 1 anvil
scache unix - - - - 1 scache
maildrop unix - n n - - pipe
flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
uucp unix - n n - - pipe
flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail
($recipient)
ifmail unix - n n - - pipe
flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp unix - n n - - pipe
flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender
$recipient
scalemail-backend unix - n n -
2 pipe
flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
${nexthop} ${user} ${extension}
mailman unix - n n - - pipe
flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
${nexthop} ${user}
dovecot unix - n n - - pipe
flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d
${recipient}
-- end of postfinger output --
