Postfix and DNS

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I have installed Postfix on my server with DNS. I am not sure what information I should provide here so let me explain the setup and goals. I have SuSE Enterprise 9, Apache, Static IP address. In other words a hosted website/server. The goal is to also have this as a mail server. I am able to send emails to certain addresses like hotmail, but not others. I am also able to send to a local email address. I am not able to receive amything. In the failure header of trying to send to the postfix address: ********************************************** ** THIS IS A WARNING MESSAGE ONLY ** ** YOU DO NOT NEED TO RESEND YOUR MESSAGE ** ********************************************** The original message was received at Wed, 28 Dec 2005 08:09:37 -0600 (CST) from localhost [127.0.0.1] ----- Transcript of session follows ----- <sapient@hingedmind.com>... Deferred: Connection timed out with mail.hingedmind.com. Warning: message still undelivered after 1 hour Will keep trying until message is 1 day old Reporting-MTA: dns; ccsi.com Arrival-Date: Wed, 28 Dec 2005 08:09:37 -0600 (CST) Final-Recipient: RFC822; sapient@hingedmind.com Action: delayed Status: 4.4.1 Remote-MTA: DNS; mail.hingedmind.com Last-Attempt-Date: Wed, 28 Dec 2005 09:18:52 -0600 (CST) Will-Retry-Until: Thu, 29 Dec 2005 08:09:37 -0600 (CST) -------------------------------- The email logs are as follows: Mail: Dec 28 08:58:32 Mind postfix/pickup[26436]: 00E64225BE: uid=0 from=<root> Dec 28 08:58:32 Mind postfix/cleanup[27033]: 00E64225BE: message-id=<200512280858.31363.sapient@hingedmind.com> Dec 28 08:58:32 Mind postfix/qmgr[25223]: 00E64225BE: from=<root@hingedmind.com>, size=521, nrcpt=2 (queue active) Dec 28 08:58:32 Mind postfix/local[27035]: 00E64225BE: to=<sapient@hingedmind.com>, relay=local, delay=1, status=sent (delivered to mailbox) Dec 28 08:59:02 Mind postfix/smtp[27036]: connect to gateway.hingedmind.com[24.176.227.138]: Connection timed out (port 25) Dec 28 08:59:02 Mind postfix/smtp[27036]: 00E64225BE: to=<bemiller@ccsi.com>, relay=none, delay=31, status=deferred (connect to gateway.hingedmind.com[24.176.227.138]: Connection timed out) Dec 28 09:00:07 Mind postfix/qmgr[25223]: 9331E2258E: from=<root@hingedmind.com>, size=1476, nrcpt=1 (queue active) Dec 28 09:00:37 Mind postfix/smtp[27036]: connect to gateway.hingedmind.com[24.176.227.138]: Connection timed out (port 25) Dec 28 09:00:37 Mind postfix/smtp[27036]: 9331E2258E: to=<dmckk@aol.com>, relay=none, delay=7080, status=deferred (connect to gateway.hingedmind.com[24.176.227.138]: Connection timed out) Messages Log: Dec 28 08:34:49 Mind smbd[26987]: [2005/12/28 08:34:49, 0] lib/util_sock.c:get_peer_addr(1150) Dec 28 08:34:49 Mind smbd[26987]: getpeername failed. Error was Transport endpoint is not connected Dec 28 08:34:49 Mind smbd[26987]: [2005/12/28 08:34:49, 0] lib/util_sock.c:write_socket_data(430) Dec 28 08:34:49 Mind smbd[26987]: write_socket_data: write failure. Error = Connection reset by peer Dec 28 08:34:49 Mind smbd[26987]: [2005/12/28 08:34:49, 0] lib/util_sock.c:write_socket(455) Dec 28 08:34:49 Mind smbd[26987]: write_socket: Error writing 4 bytes to socket 5: ERRNO = Connection reset by peer Dec 28 08:34:49 Mind smbd[26987]: [2005/12/28 08:34:49, 0] lib/util_sock.c:send_smb(647) Dec 28 08:34:49 Mind smbd[26987]: Error writing 4 bytes to client. -1. (Connection reset by peer) Dec 28 08:45:30 Mind -- MARK -- Dec 28 08:59:01 Mind /USR/SBIN/CRON[27042]: (root) CMD ( rm -f /var/spool/cron/lastrun/cron.hourly) Can someone please tell me why my log is filling up with this. Looks like the queue is trying to send email with the TO: "unknown"? This started when I uncommented the pop3b in the inetd config. I might add this is more activity than before. Dec 28 14:03:45 Mind postfix/pickup[10370]: E40752262E: uid=1000 from=<sapient> Dec 28 14:03:45 Mind postfix/cleanup[10375]: E40752262E: message-id=<20051228220345.97F3622638@Mind.hingedmind.com> Dec 28 14:03:45 Mind postfix/local[10376]: 97F3622638: to=<sapient@hingedmind.com>, relay=local, delay=0, status=sent (delivered to command: /usr/sbin/sendmail) Dec 28 14:03:45 Mind postfix/qmgr[10163]: 97F3622638: removed Dec 28 14:03:46 Mind postfix/cleanup[10375]: E40752262E: to=<unknown>, relay=none, delay=1, status=bounced (No recipients specified) Dec 28 14:03:46 Mind postfix/cleanup[10374]: 04E7A22638: message-id=<20051228220346.04E7A22638@Mind.hingedmind.com> Dec 28 14:03:46 Mind postfix/qmgr[10163]: 04E7A22638: from=<>, size=51649, nrcpt=1 (queue active) Dec 28 14:03:46 Mind postfix/pickup[10370]: 23EAA2262E: uid=1000 from=<sapient> Dec 28 14:03:46 Mind postfix/cleanup[10374]: 23EAA2262E: message-id=<20051228220346.04E7A22638@Mind.hingedmind.com> Dec 28 14:03:46 Mind postfix/local[10376]: 04E7A22638: to=<sapient@hingedmind.com>, relay=local, delay=0, status=sent (delivered to command: /usr/sbin/sendmail) Dec 28 14:03:46 Mind postfix/qmgr[10163]: 04E7A22638: removed Dec 28 14:03:46 Mind postfix/cleanup[10374]: 23EAA2262E: to=<unknown>, relay=none, delay=0, status=bounced (No recipients specified) Dec 28 14:03:46 Mind postfix/cleanup[10375]: 36A1322638: message-id=<20051228220346.36A1322638@Mind.hingedmind.com> Dec 28 14:03:46 Mind postfix/qmgr[10163]: 36A1322638: from=<>, size=51649, nrcpt=1 (queue active) Dec 28 14:03:46 Mind postfix/pickup[10370]: 59D572262E: uid=1000 from=<sapient> Dec 28 14:03:46 Mind postfix/cleanup[10375]: 59D572262E: message-id=<20051228220346.36A1322638@Mind.hingedmind.com> Dec 28 14:03:46 Mind postfix/local[10376]: 36A1322638: to=<sapient@hingedmind.com>, relay=local, delay=0, status=sent (delivered to command: /usr/sbin/sendmail)
ASKED: December 28, 2005  5:44 PM
UPDATED: December 30, 2005  12:07 AM

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I did some lookups on your hingedmind.com. Is shows your reverse DNS pointing to an IP provided by charter.com. If you haven’t already, I’d check with charter to ensure tthey are not blocking port 25 for your outgoing mail.

Your MX record looks to be OK, so I’m not sure why you are having a problem receiving mail, unless you have a misconfiguration in your server.

You may need to set up a SPF record in your DNS so that it can be used to verify your server prior to further processing of mail.

Also check that your firewall allows mail to pass on port 25.

Cannot say why your recipient name is disappearing.

\Steve//

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