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Old 7th January 2009, 05:30
tyliong tyliong is offline
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Default Can send & recieve mail via local mail & linux acts but cannot recieve frm ext mail

hi i followed this Virtual Users And Domains With Postfix, Courier And MySQL (CentOS 5.1).

In outlook i can login to the accounts. when i do test mail account i can both login and send a testmail.

However on the mail server i cannot recieve the test email.

If i send mail between the email clients and the local linux accounts the server can recieve them. However once i send from somewhere like gmail, there is no email being recieved, in gmail i do not get an email delievery messege daemon saying that the account does not exits.

What i suspect is the spamassasin is overactively destroying the mails. In the emails that i send via the server email accounts but not the linux accounts there is ***SPAM*** inside the top header.

Here is a log when i send a test mail through outlook

Jan 7 12:26:15 localhost postfix/smtpd[797]: connect from unknown[116.14.192.41 ]
Jan 7 12:26:15 localhost postfix/smtpd[797]: 20F3C57200F8: client=unknown[116.1 4.192.41]
Jan 7 12:26:15 localhost postfix/cleanup[805]: 20F3C57200F8: message-id=<200901 07042615.20F3C57200F8@casper.mydomain.com>
Jan 7 12:26:15 localhost postfix/qmgr[407]: 20F3C57200F8: from=<mydomain_maile r@mydomain.com>, size=732, nrcpt=1 (queue active)
Jan 7 12:26:15 localhost postfix/smtpd[797]: disconnect from unknown[116.14.192 .41]
Jan 7 12:26:32 localhost postfix/smtpd[812]: connect from unknown[127.0.0.1]
Jan 7 04:26:32 localhost postfix/smtpd[812]: 83C695720103: client=unknown[127.0.0.1]
Jan 7 12:26:32 localhost postfix/cleanup[805]: 83C695720103: message-id=<20090107042615.20F3C57200F8@casper.mydomain.co m>
Jan 7 12:26:32 localhost postfix/qmgr[407]: 83C695720103: from=<mydomain_mailer@mydomain.com>, size=1589, nrcpt=1 (queue active)
Jan 7 04:26:32 localhost postfix/smtpd[812]: disconnect from unknown[127.0.0.1]
Jan 7 12:26:32 localhost amavis[715]: (00715-01) Passed SPAM, [116.14.192.41] [116.14.192.41] <mydomain_mailer@mydomain.com> -> <mydomain_mailer@mydomain.com>, quarantine: spam-Ut-XS9uw7-Xd.gz, Message-ID: <20090107042615.20F3C57200F8@casper.mydomain.com >, mail_id: Ut-XS9uw7-Xd, Hits: 8.252, size: 732, queued_as: 83C695720103, 17354 ms
Jan 7 12:26:32 localhost postfix/smtp[806]: 20F3C57200F8: to=<mydomain_mailer@mydomain.com>, relay=127.0.0.1[127.0.0.1]:10024, delay=17, delays=0.12/0/0.01/17, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 83C695720103)
Jan 7 12:26:32 localhost postfix/qmgr[407]: 20F3C57200F8: removed
Jan 7 12:26:32 localhost postfix/virtual[814]: 83C695720103: to=<mydomain_mailer@mydomain.com>, relay=virtual, delay=0.08, delays=0.06/0.01/0/0.02, dsn=2.0.0, status=sent (delivered to maildir)
Jan 7 12:26:32 localhost postfix/qmgr[407]: 83C695720103: removed

if it really is a hyper active spamclient how do i reduce its settings while still stopping spam?

Further information mailer daemon just got back from google:

This is an automatically generated Delivery Status Notification

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

Delivery to the following recipient has been delayed:

mydomain_mailer@mydomain.com

Message will be retried for 2 more day(s)

Technical details of temporary failure:
DNS Error: DNS server returned answer with no data


This is the DNS zone file located in /var/named/chroot/var/named/mydomain.com.db


2009123100 ; serial
3H ; refresh (3 hours)
30M ; retry (30 minutes)
2W ; expiry (2 weeks)
1W) ; minimum (1 week)

$ORIGIN mydomain.com.

mydomain.com. IN NS ns1.mydomain.com.
IN MX 10 smtp.mydomain.com.
ns1 IN A 210.193.49.211 ;primary name server
casper IN A 210.193.49.211
smtp IN A 210.193.49.211 ;mail server
www IN CNAME casper ;web server
ftp IN CNAME casper ;ftp server


postconf

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = amavis:[127.0.0.1]:10024
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
html_directory = no
inet_interfaces = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = ns1.mydomain.com, localhost, localhost.localdomain
myhostname = ns1.mydomain.com
mynetworks = 127.0.0.0/8
newaliases_path = /usr/bin/newaliases.postfix
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
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
receive_override_options = no_address_mappings
sample_directory = /usr/share/doc/postfix-2.3.3/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_use_tls = yes
transport_maps = proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
unknown_local_recipient_reject_code = 550
virtual_alias_domains =
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_create_maildirsize = yes
virtual_gid_maps = static:5000
virtual_mailbox_base = /home/vmail
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_maildir_limit_message = "The user you are trying to reach is over quota."
virtual_overquota_bounce = yes
virtual_uid_maps = static:5000

[root@localhost ~]# ps aux | grep saslauthd
root 8662 0.0 0.0 61156 724 pts/6 S+ 02:16 0:00 grep saslauthd
root 14676 0.0 0.0 48748 1092 ? Ss Jan06 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam
root 14677 0.0 0.0 48748 1080 ? S Jan06 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam
root 14678 0.0 0.0 48748 1080 ? S Jan06 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam
root 14679 0.0 0.0 48748 1080 ? S Jan06 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam
root 14680 0.0 0.0 48748 1080 ? S Jan06 0:00 /usr/sbin/saslauthd -m /var/run/saslauthd -a pam

[root@localhost ~]# cat /usr/lib64/sasl2/smtpd.conf
pwcheck_method: saslauthd

[root@localhost ~]# saslauthd kl
saslauthd[8914] :main : no authentication mechanism specified

Last edited by tyliong; 7th January 2009 at 19:32.
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