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mail says sender address is invalid

Anybody else experiencing problems in iPad os 13.1 using email....sending mail to my family using addresses that I have used for years just gets me a message that the email address is invalid....very frustrating.

iPad Pro 9.7-inch WiFi, Cellular

Posted on Sep 27, 2019 7:34 AM

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Question marked as Top-ranking reply

Posted on Oct 24, 2019 10:45 PM

This worked for me:


Settings > Passwords and Accounts > Click on your email > Click on your email again at the top > Outgoing Mail Server > Click Primary Server which is at the top.

Now make sure the info on this screen is filled out. Username/password/use SSL/Authentication should be password/check that the Port # is correct. (You may need to check with your ISP for the number.)

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mail says sender address is invalid

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