Forum Discussion
franko555_30512
Nimbostratus
Dec 25, 2008Hotmail id and yohoo id Blacklisted
Dear support
My yahoo and hotmail address is not delivering to the receptiant from our mail server. Below mentioned the error message.
bay0-mc3-f1.bay0.hotmail.com 550 DY-...
hoolio
Cirrostratus
Dec 29, 2008Hi Franko,
It sounds like the last outbound network device which is performing source address translation is using an IP address that spamhaus.org reports as a dynamic IP address. To reduce spam, most big mail providers won't accept connections from dynamic IP addresses. For more info on this, you can check the spamhause site (http://www.spamhaus.org/pbl/). If you need to change your BIG-IP configuration to use a new IP address and want help with that, let us know.
Aaron
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