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As far as Microsoft's concerned it's invalid. I just tried creating such an address in Exchange Online. https://ibb.co/3zCyP9J https://ibb.co/3zCyP9J
by technion 4y ago
As far as Microsoft's concerned it's invalid. I just tried creating such an address in Exchange Online.
https://ibb.co/3zCyP9J https://ibb.co/3zCyP9J
- jkaplowitz 4y agoNo provider has to allow its own users to use the full range of legal email addresses. But can you receive an email from someone with such an address and reply to them? That's the real test of whether it's valid (and not too buggy) from the perspective of Exchange Online.