Visitor
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3 Messages
email help
I CAN receive outlook emails both on my laptop and my iPhone. But I CAN'T send from either. I've tried changing my password multiple times but still can't send emails. I get the message below that the email is undeliverable when sending from my laptop.
We couldn't deliver your message.
Original message details
Created date: 10/9/2025 11:54:02 PM
Sender address: [Edited: "Personal Information"]
Recipient addresses: [Edited: "Personal Information"]
Subject: test
Technical details
SmtpSubmissionPermanent5XXException: Smtp submission failed. Server 'smtp.comcast.net' Port '465'. --> Unexpected SMTP server response. Expected: 235, actual: 535, whole response: 535 5.7.0 ...authentication rejected
Failure code: 1d2e
XfinityDuron
Official Employee
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284 Messages
8 days ago
Hello @user_7qdo34 did you make sure the file was not too big to send?
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BruceW
Gold Problem Solver
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26.8K Messages
8 days ago
Did you miss the "authentication rejected" part of the error message?
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