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Old 07-29-2011, 10:24 AM   #1
miguelg
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Registered: Oct 2009
Location: UK
Distribution: Xubuntu
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Question Postfix server rejecting emails sent from outside the host


Hi,

I've recently followed a guide I found online [1] and installed Postfix and Courier on my server machine. I can send emails from the server to any email address but unfortunately I can only receive emails sent from the server - it's only accepting emails sent locally from the host. In other words, if I try sending myself an email from, say, GMail, it is rejected and an error email generated (see below.)

/etc/postfix/main.cf
Code:
# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = /usr/share/doc/postfix

# TLS parameters
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = mail.MYHOSTHERE.com
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = mail.MYHOSTHERE.com, localhost, localhost.localdomain
relayhost =
mynetworks = 127.0.0.0/8
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
html_directory = /usr/share/doc/postfix/html
virtual_alias_domains =
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /home/vmail
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
transport_maps = proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
virtual_create_maildirsize = yes
virtual_maildir_extended = yes
virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_maildir_limit_message = "The user you are trying to reach is over quota."
virtual_overquota_bounce = yes
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
Error email:
Code:
Delivery to the following recipient failed permanently:

    USER@MYHOSTHERE.com

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other
email provider for further information about the cause of this error. The error that the other server returned was:
554 554 5.7.1 <USER@MYHOSTHERE.com>: Relay access denied (state 14).

[1] http://www.howtoforge.com/virtual-us...l-ubuntu-11.04

Last edited by miguelg; 07-29-2011 at 10:25 AM. Reason: Cleaner formatting
 
Old 07-29-2011, 01:58 PM   #2
SciFi-Bob
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Registered: Aug 2008
Location: Denmark
Distribution: Ubuntu
Posts: 62

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There may be other errors, but mydestination should be blank when you are hosting virtual domains.
Like this:

mydestination =
 
Old 07-30-2011, 03:37 AM   #3
miguelg
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Registered: Oct 2009
Location: UK
Distribution: Xubuntu
Posts: 31

Original Poster
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Quote:
Originally Posted by SciFi-Bob View Post
There may be other errors, but mydestination should be blank when you are hosting virtual domains.
Like this:

mydestination =
Tried your suggestion but still no luck.

Any one has any other ideas? How can I troubleshoot what's wrong?
 
Old 07-30-2011, 09:26 AM   #4
agentbuzz
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Registered: Oct 2010
Location: Texas
Distribution: Debian, Ubuntu, CentOS, RHEL
Posts: 131

Rep: Reputation: 25
Postfix relay configuration

belnac,
I am not a Postfix guy, but if you followed the howtoforge.com guide, you now have a MySQL database with a table called "domains". Look at that table. Is there a value, "MYHOSTHERE.com" in the table? If not, Postfix won't relay, even though it may be the only domain to which you expect to relay.

I think that database key serves the same purpose as the "relay_domains" parameter in main.cf. Try this: comment out the "virtual_mailbox_domains" line in main.cf, put a line in main.cf like "relay_domains = MYHOSTHERE.com", restart Postfix, and send a test message from your Gmail account.

You don't want a value in both relay_domains (in main.cf) and virtual_mailbox_domains (in your MySQL database).
 
  


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