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RE: Verizonwireless.com Blacklisted SMTP
This posting on broadbandreports.com might add some background to your issues:
From: [email protected] [mailto:[email protected]] On Behalf Of Chris Riling
Sent: Monday, April 24, 2006 3:12 PM
To: [email protected]
Subject: Verizonwireless.com Blacklisted SMTP
What's up with VZW blacklisting a large amount of IP space on their MXes? I have tried sending mail to verizonwireless.com from several boxes on Cogent's network to no avail... Is Cogent on the "bad boy list" yet again? Anyone have a useful contact there? We're not able to correspond with our sales rep via email and they're losing business. I have contacted some NOC engineers with no luck...
Connected to mars.verizonwireless.com.
Escape character is '^]'.
554-Your access to the VZW mail systems has been rejected due to the sending MTA or Network Service Provider's poor reputation / e-mail hygiene on the Internet.
554-Please reference the following URL for more information:
554 If you believe that this failure is in error, please contact the recipient via alternate means.
Connection closed by foreign host.