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Solved
New ip address on Exchange causes problem.
Posted on 2009-07-12
I was changing IP addresses for my Exchage servers. After that I get this error every time when I try to send email to domains who are not on my exchange server:
Your message did not reach some or all of the intended recipients.
Subject: Test message
Sent: 12.7.2009 23:07
The following recipient(s) cannot be reached:
tsc@simnet.is on 12.7.2009 23:07
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<dora.tsc.is #5.5.0 smtp;550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.>
Your message did not reach some or all of the intended recipients.
Subject: Test message
Sent: 12.7.2009 23:07
The following recipient(s) cannot be reached:
tsc@simnet.is on 12.7.2009 23:07
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<dora.tsc.is #5.5.0 smtp;550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.>
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6 Comments
Active 1 day ago
New external IP addresses? If so, are the ip's blacklisted from prior user of the addresses? Do you have a an SPF rec for the domain pointing to the old addresses?
Active 6 days ago
My old addresses was 194.105.237.x and the new ones are 157.157.162.x
I dont have SPF rec for the old address , my SPF rec applies to DNS name.
fe. v=spf1 a:sleggja.grundarfjordur.i
I dont have SPF rec for the old address , my SPF rec applies to DNS name.
fe. v=spf1 a:sleggja.grundarfjordur.i
Active today
Are you sending out via a Smart Host? If you are, they need to know your new IP Address.
Your mail is being filtered by a 3rd party on the way in - I am guessing you are sending out via a Smart Host.
Talk to your ISP / Smart Host and get then to accept mail from your new IP address.
Your mail is being filtered by a 3rd party on the way in - I am guessing you are sending out via a Smart Host.
Talk to your ISP / Smart Host and get then to accept mail from your new IP address.
Active today
Have you tried telnetting to mail.simnet.is on port 25
Start, run, (type) cmd (enter)
telnet mail.simnet.is 25 (enter)
Follow this document for the rest of the commands to use for testing
http://support.microsoft.com/kb/153119
Start, run, (type) cmd (enter)
telnet mail.simnet.is 25 (enter)
Follow this document for the rest of the commands to use for testing
http://support.microsoft.com/kb/153119
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