I am the systems administator at Endornet.us. sbcglobal.net is blocking email from our mail server's again. I have spent countless hours trying to determine the cause of this problem - to no avail. Our servers are not on any RBL's, there are no problems with the DNS, and we cannot get in contact with the postmaster at sbcglobal.net. Emails sent to abuse@sbcglobal.net and/or postmaster@sbcglobal.net are never returned. Finding a phone number for them is seemingly impossible.
So...I thought I'd join this exchange in hopes of finding a solution to this problem. Below is a copy of a bounced email, followed by a telnet report.
Example: bounced email:
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Hi. This is the qmail-send program at endornet.us.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<postmater@sbcglobal.net>:
Connected to 207.115.21.20 but sender was rejected.
Remote host said: 550 5.7.1 <'my_email_address'>... Access denied
Here are two telnet tests where they outright deny service:
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telnet 207.115.37.23 25
Trying 207.115.37.23...
Connected to nb-mx-vip4b.prodigy.net (207.115.37.23).
Escape character is '^]'.
220 nlpi046.prodigy.net ESMTP Sendmail 8.13.8 inb/8.13.8; Wed, 12 Sep
2007 07:24:59 -0500 HELO mail.endornet.us 250 nlpi046.prodigy.net Hello mail.endornet.us [38.100.202.2], pleased to meet you MAIL FROM:
<admin@endornet.us> 550 5.7.1 Access denied ^]
telnet>
quit
telnet 207.115.37.23 25
Trying 207.115.37.23...
Connected to nb-mx-vip4b.prodigy.net (207.115.37.23).
Escape character is '^]'.
220 nlpi046.prodigy.net ESMTP Sendmail 8.13.8 inb/8.13.8; Wed, 12 Sep
2007 07:25:31 -0500 HELO mail.endornet.us 250 nlpi046.prodigy.net Hello mail.endornet.us [38.100.202.2], pleased to meet you MAIL FROM:
<stacee@jewelrybydfly.com>
550 5.7.1 Access denied ^]
telnet> quit
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Please advise,
Thank you.
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