14 Messages
Port 25 unblock (incoming), need to get email server back online
I host my own email server at home and I would like to be able to receive emails. Since moving my server from my previous residence with another ISP, to Xfinity, I am unable to receive any email. I've spent upwards of 5 hours on the phone with CSA to get escalated to the top support tier, but haven't had any luck. I see several customers have been able to get this fixed in recent times, so hopefully someone at Xfinity sees this and can help.
- https://forums.xfinity.com/conversations/email/how-many-calls-does-it-take-to-get-port-25-unblocked-and-my-email-server-back-online/63d465a0d9aa6753d37aac3a?commentId=63da76b98055430082f5ff1a
- https://forums.xfinity.com/conversations/email/can-i-get-port-25-unblocked-again/642b892b4d04032f946153c8?commentId=643927ea906b2274f778ed1a
- https://forums.xfinity.com/conversations/email/port-25-unblock-art-of-the-business-as-usual-runaround-and-is-there-anybody-out-there/636861fc92a15b227c29043f?commentId=636960bf92a15b227c2914d0
user_12vvs6
14 Messages
2 months ago
@XfinityCSAEmail @XfinityAlex much appreciated if someone can help me or nudge the right person!
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XfinitySPAAbuse
Official Employee
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103 Messages
1 month ago
Hello @user_12vvs6 unfortunately Comcast does not support port 25 for the transmission of email by our residential Internet customers any longer. If you would like more information you can follow this link https://www.xfinity.com/support/articles/email-port-25-no-longer-supported to review our updated policy.
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BruceW
Gold Problem Solver
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25.9K Messages
1 month ago
Communication with a mail server requires a conversation between two devices, and the conversation requires traffic to travel in both directions, correct? I don't see how software could "listen for incoming emails" without being able to send as well as receive over the connection.
Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.
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user_ff4e3544
Visitor
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7 Messages
1 month ago
There are several of us out there who run our own mail servers for a variety of reasons. The various links in the OP to other posts on these forums will show this and the frustration with the process.
I'm interested to see where this goes as I've had to deal with getting exceptions from time to time in the 20 years I've had this service, which has gotten progressively more difficult. I did receive an email from Comcast yesterday informing me this was coming:
"Xfinity no longer supports port 25 for email by our residential internet users. In the past, exceptions were made to unblock this restriction, but as of August 25, 2024, we will no longer allow these exceptions."
@XfinitySPAAbuse , does this mean we will need to upgrade to a Business plan or does this moratorium apply there as well?
(edited)
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BruceW
Gold Problem Solver
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25.9K Messages
1 month ago
Thank you. You just explained why it isn't possible to just "listen for incoming emails" on an inbound-only connection. Setting up a TCP session requires both inbound and outbound traffic.
Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.
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user_12vvs6
14 Messages
1 month ago
@XfinitySPAAbuse I have paid accounts with other service providers registered to this email, and would like to be able to receive 2 factor authentication codes and such so I can access these accounts.
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user_12vvs6
14 Messages
1 month ago
In the interest of being minimally intrusive and a neutral service provider it would really be nice to not block anything that doesn't need to be blocked. It doesn't seem this is issue going anywhere because apparently few understand the distinction between outbound and inbound connections, and most rely on 3rd parties to run their services. In the meanwhile I have switched to using another local ISP that only blocks *outbound* port 25 connections. Maybe someone in the right department will eventually see all these posts. The solution may be as simple as 1 command/line of code :(
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