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curious7

asked on

How to add email /IP to safe sender

I need to add our survey companies email address to the safe sender list.
I have been given following details of the survey sender company:-
- Website IP
- Mail Server IP
- Email address /the Domain name abc@contoso.com

We use mimecast for our MX records.
Have onsite exchange servers where the email is passed onto from mimecast.
But have user mailboxes in Office 365.

In which places should I add this to safe sender list?
Avatar of Vasil Michev (MVP)
Vasil Michev (MVP)
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That depends, on which step are the messages being marked as spam? Generally speaking, you should do the whitelisting on the first hop, Mimecast in your case.
Hi,

Yes you can do at Mimecast or create a transport rule at office365 for incoming email from specific email address and set SCL to 0

Regards
Kundan
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