I am trying to see how common Sender ID compliance still is. From what I can see, this was something that Microsoft were trying to widely push many years ago. See this link, for example: Sender ID Home Page. My question is, how common is this compliance? Is this still used by all users who have been migrated from Hotmail, MSN, etc. to Outlook.com?
Thx,
Hamayoun
Thx,
Hamayoun
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