Newbie question - Some servers rejecting my email

[x-ray]

I can receive just fine... all perfect there.
I can send to Hotmail
I cannot send to some other addresses (like a County office e-mail address).

Is it their server that is rejecting me? Can I overcome this?

Thanks.

[MailEnable-Ian]

Hi,

The first thing i suggest is to look at your log files as they indicate where the message is trying to get delivered to and outlines any errors.

This Kb article explains how to troubleshoot SMTP connectivity and how to analyse log files: http://www.mailenable.com/kb/viewarticl ... 020170.htm

Regards,

[x-ray]

Here's a snippet from the log file:

07/07/04 17:22:47 ME-I0123: Domain [cdcprogram.org] has MX list [mx1.prserv.net,mx2.prserv.net]

07/07/04 17:22:47 ME-I0026: [9BBF427A569B4D2A91F16C7A4BA4B0.MAI] Sending message

07/07/04 17:23:08 ME-E0038: [9BBF427A569B4D2A91F16C7A4BA4B0.MAI] Communications Error: Socket connection to mx1.prserv.net failed. The host was either not contactable or it rejected your connection.

07/07/04 17:23:29 ME-E0038: [9BBF427A569B4D2A91F16C7A4BA4B0.MAI] Communications Error: Socket connection to mx2.prserv.net failed. The host was either not contactable or it rejected your connection.

07/07/04 17:23:29 ME-E0059: [9BBF427A569B4D2A91F16C7A4BA4B0.MAI] Message Delivery Failure. Attempt (1): Could not find mail server for domain (cdcprogram.org). The remote mail server could not be contacted at this time. Message has been requeued.

Of interest was the socket connection failed to both the mx and backup mx. What's that about?

Thanks.

[Guest]

When ever I receive this error it is generally due to the fact that the server that my system is attempting to deliver to does not have a valid mx record listed with their DNS server.

This causes a deliver failure notice to show up in your log files and a none delivery report sent to the user attempting to send the email.

But after doing a lookup on their domain and getting glue for their MX records, it would be my guess that one of two things occurred.

1. They had their mail server down for an unknown reason causing connectivity issues.(small business do as the please with up time)
2. You had a DNS look up error, if this is the case I would test your mail servers DNS lookup ability to see if in fact there was an error and were it may have occurred.

If you feel that everything is copasetic on your end you can always go to http://www.dnsreport.com and look up their MX record to see if in fact one exists.

Just my 2¢

[paarlberg]

You can also try clearing your DNS server cache.

[x-ray]

It still wont work. Here's the log, and I'm not sure why it doesn't go through... everything looks OK?

07/08/04 18:22:27 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 220 crwnet.us ESMTP MailEnable Service, Version: 1.72-- ready at 07/08/04 18:22:27 0 0
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 EHLO EHLO crwmain 250-crwnet.us [24.130.82.188], this server offers 4 extensions 124 14
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 AUTH AUTH LOGIN 334 VXNlcm5hbWU6 18 12
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 AUTH {blank} 334 UGFzc3dvcmQ6 18 6 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 AUTH dmVl 235 Authenticated 19 6 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 MAIL MAIL FROM:<crw@crwnet.us> 250 Requested mail action okay, completed 43 27 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 RCPT RCPT TO:<ksfcas1@hotmail.net> 250 Requested mail action okay, completed 43 31 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 RSET RSET 250 Requested mail action okay, completed 43 6 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 MAIL MAIL FROM:<crw@crwnet.us> 250 Requested mail action okay, completed 43 27 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 RCPT RCPT TO:<ksfcas1@hotmail.net> 250 Requested mail action okay, completed 43 31 crw
07/08/04 18:22:28 SMTP-IN FF081265E07E45CDB656F130365E22.MAI 276 24.130.82.188 DATA DATA 354 Start mail input; end with <CRLF>.<CRLF> 46 6 crw
07/08/04 18:22:29 SMTP-IN 2B4DBFE4101469E996EF3EFA96F.MAI 276 24.130.82.188 QUIT QUIT 221 Service closing transmission channel 42 6 crw

Any more ideas?

[x-ray]

It seems as if hotmail is rejecting me now too. My IP address appears on a few blacklists. This happened while I had relay open for a few hours and got spammers sending stuff through me I guess.

Could this be it? Any way to get off the blacklist?

Thanks again

[MrByte]

the only way to get off blacklists is not being an open relay.
Most of the RBL's have no means to tell them you are not an open relay anymore. They usually re-test in certain intervals.

Go to ordb.org and issue a test on your domain and see if it comes up clean now...