On 8/18/2015 9:57 PM, Marc Perkel wrote:
Not quite sure who to ask so I'm hoping to get lucky here.
I'm in the front end filtering business and a send a lot of email to
various domains at mail.protection.outlook.com .
The problem is that it seems as if I'm being gray listed or throttled
or s
Frank Reppin skrev den 2015-08-19 10:52:
del...@messaging.microsoft.com
rfc ignorant
Out of my own experience with them...
... we once moved our MX to another colocation
provider and therefor the IPv4 changed as well.
Things went worse then because they've started blocking
us completely (claiming that the new IPv4 address wasn't
known as MX for years...?!) - not only greylisting.
