opjose's profile

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6 Messages

Tuesday, March 3rd, 2026 7:02 AM

Comcast blocking my Comcast SMTP E-mail from home.

Many of my on-line accounts were hacked because of a data leak. I had to reset many things.

As a result of the breach Comcast does not accept smtp messages from my home IP address. 

SMTP sending works fine from outside my home on the very same devices.
No one in my household is able to send Comcast e-mails from within the home.

IMAP reception works fine in all cases. 

Could someone please unblock my home IP?

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34K Messages

2 months ago

@opjose 

Try getting in touch with our Customer Security Assurance folks.

Customer Security Assurance
Business Hours: 8:00am - 12:00am EST, 7 days a week  
Contact: 1-888-565-4329 

Official Employee

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2.3K Messages

2 months ago

Hello and welcome to Comcast! Thank you so much for reaching out to us regarding your recent IP assess. Now I am not able to unblock your IP address if it is blocked. Have you talked to our CSA team regarding your IP issue?

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