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email support

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Unable to send e-mails from Office 365

teegeepee65
Team Player
Private Message TalkTalk
Message 2 of 2

mail undeliverable from all 3 of my accounts. error message 

550 5.7.1  Reject for policy reason.  I have not changed any settings. Had the same addresses for years. Suddenly stopped working today

 

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Flaneuse
Chat Champion
Private Message TalkTalk
Message 1 of 2

I'm getting the same with Outlook. Can receive OK, it seems. Can send to gmail.com but rejected from sky.com and .plus.com addresses as well as an organisation's own *****.org.uk address.

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