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konafrank · 03-16-2009, 11:02 PM

Has anyone else experienced the following problem since Friday the 13th.

Since Friday some users attempting to send email from a valid e-mail account to my att.blackberry.net email account (no previous known problem) have been receiving messages back similar to the following (actual address removed):

<MyUSERNAME@att.blackberry.net>: host mx01.bis.na.blackberry.com[216.9.248.32] said: 451 #4.1.8 Domain of sender address <SenderUserName@Senderdomain.net> does not resolve (in reply to MAIL FROM command)

The sender continued to recieve these messages everytime their server attempted to resend the message. Messages from the same person to all others appeared to go through with no problem.

I suspect an att.blackberry.net lookup error but have been unable to verify. Any one else with this problem?

03-16-2009, 11:02 PM	#1
konafrank New Member Join Date: Nov 2006 Location: Kailua Kona, HI Model: 9800 OS: 6.0.0.246 Carrier: cingular/ATT ?? Posts: 5	Blackberry Server DNS lookup issue Please Login to Remove! Has anyone else experienced the following problem since Friday the 13th. Since Friday some users attempting to send email from a valid e-mail account to my att.blackberry.net email account (no previous known problem) have been receiving messages back similar to the following (actual address removed): <MyUSERNAME@att.blackberry.net>: host mx01.bis.na.blackberry.com[216.9.248.32] said: 451 #4.1.8 Domain of sender address <SenderUserName@Senderdomain.net> does not resolve (in reply to MAIL FROM command) The sender continued to recieve these messages everytime their server attempted to resend the message. Messages from the same person to all others appeared to go through with no problem. I suspect an att.blackberry.net lookup error but have been unable to verify. Any one else with this problem?
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