On August 19, 2015 3:57:31 AM Marc Perkel <[email protected]> wrote:

Not quite sure who to ask so I'm hoping to get lucky here.

+1

I'm in the front end filtering business and a send a lot of email to
various domains at mail.protection.outlook.com .

+1

try whitelist there ips in whitelist junkemailfilter, na only fun if thay use your service :)

The problem is that it seems as if I'm being gray listed or throttled or
something like that. Ends up that a lot of email is delayed 1/2 hour and
people are not happy.

spam filtering is always best effort so all parties need to pay something, but you did not say if its senders or recipients

I'm hoping to get lucky and someone here knows the secret trick to
delivering to mail.protection.outlook.com

there is no secret imho

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