Like others, port 25 unblock needed.

Hi, I'm a web developer and can't send any emails from localhost (development box) with one of my clients that operates their email server on port 25. How can I get this unblocked on my end, quickly?

Responses

XfinityShawn

Official Employee

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1.5K Messages

1 year ago

user_c0qv44 Here is a link https://www.xfinity.com/support/articles/email-port-25-no-longer-supported that will go over the details as to why Comcast doesn't support port 25. Let us know if you need any further assistance.

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user_c0qv44

2 Messages

"Although most email clients and servers can be configured to use port 587 instead of 25, there are cases where this is not possible or convenient. A site may choose to use port 25 for message submission by designating some hosts to be MSAs and others to be MTAs."

I cannot force my client to use another port as they've chosen to use port 25. Why cannot I not choose to allow traffic through that port as well? I cannot finish their project without being able to utilize their mail service.

1 year ago

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XfinityDilary

Official Employee

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2.2K Messages

Unfortunately, for security reasons, that is not something we can change on our end. My apologies, user_c0qv44.

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1 year ago

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EG

Expert

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110.3K Messages

1 year ago

Concern moved here to the E-mail help section.

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user_c0qv44

Like others, port 25 unblock needed.

XfinityShawn

user_c0qv44

XfinityDilary

EG

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