Forum Discussion
Office 365 Exchange Online server blacklisted
At 10:20AM 24 Nov AEST I'm seeing reports that Office 365 Exchange Online server mail-me1aus01hn0228.outbound.protection.outlook.com is appearing on different blacklist sources http://mxtoolbox.com...
Mxtoolbox.com is still reporting that Exchange Online server as being blacklisted on 6 different services.
Ok, but the issue was all email send to Hotmail, Gmail etc was send via the High Risk Delivery Pool and that issue was solved. Yes this pool of servers is still on the blacklist, but this is not the server pool which is used to send. Have a look at this article for more information about the server pool:
https://technet.microsoft.com/en-GB/library/jj200746(v=exchg.150).aspx
https://technet.microsoft.com/en-GB/library/jj200746(v=exchg.150).aspx
PKlapwijk Are you seeing this again? We had a different client contact us today with a non-suspicious email that had been blocked via the blacklisted high risk server again.
Hi Sonia Cuff No, none of our customers reported a problem like this since this one was resolved.
OK, thanks. I'll get her to retry in the morning and will log a new call with support if we need to.
-Sonia
I see, thanks for the link Peter, that was helpful.
I've been called today to say the Microsoft have fixed our issue which was impacting about 20 customers. I'm just about to retest it.
-Sonia