we are migrating to Office 365 including the migration from on premise to online Exchange.
I found this thread:
Since the last entry is years ago, are there any new solutions for the problem of maintaining these huge lists of exceptions?
It looks like the scripts aren't working anymore.
I think I need days of inserting all these ips, subnets and urls just once. And there may be many typos.
This is a little annoying, since this is the final step towards office 365 and it is such a blocker.
In these types of fields like in my example below, you can import text. What I do is copy/paste text into something like Notepad or Word to format any text I want, which is single column; i.e.: