Posted: 3/31/2009 5:37:03 AM EDT
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So I'm sure I'm not alone here with having Comcast hose you by blocking port 25. My problem is that I have several other private domains that I use. My hosts provide alternate ports so I can get around the Comcast problem but I have my own domains for a reason. If I send email from [email protected] I don't want Comcast or my host referenced in the mail. I want it coming from my domain.
Are there any ways I can still use my own smtp servers that I can't change from 25? |
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I did call Comcast.
It turns out it was auto-blocked because they found a virus or spyware. I just ran Spyware Dr and it did find some trojans I wasn't aware of. Unfortunately I guess you have to buy it now for them to get removed. I'm going to try another spyware program that Comcast suggested. They told me that once it's clean that 25 will be re-enabled. I thought this was an across-the-board change because my mom just got blocked. I guess one of us infected the other. |
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Once you are unblocked, please make sure you are not running an open SMTP relay, this may be a reason comcast blocked you. If you search google, there are automated tools to test if you are an open relay if you don't know how to use SMTP commands and telnet to port 25. Also, be aware, that many (if not most) domains use blacklist services that will discard any and all mail coming from address blocks that are assigned to residential internet services. So much of the email you send may not be getting through. |
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How am I supposed to do that? Comcast should have given you an SMTP server and authentication information for using their email service. Use that, most SMTP servers do not care what you put as the reply to address. Pretty sure it is just mail.comcast.net otherwise might be smtp.comcast.net |
| Well, yes, they do provide smtp.comcast.net running on 587. However, I have my own smtp servers. That's the point. I don't want to use Comcast's. I know I can change the reply-to address, that's not a big deal. I don't want smpt.comcast.net to be in the mail header. I want it to be my domain. |
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Quoted: Well, yes, they do provide smtp.comcast.net running on 587. However, I have my own smtp servers. That's the point. I don't want to use Comcast's. I know I can change the reply-to address, that's not a big deal. I don't want smpt.comcast.net to be in the mail header. I want it to be my domain. Then you should probably get a business account with a static ip address. Most DNS blacklist services will be blocking all connections from your address block. Read about it http://en.wikipedia.org/wiki/DNSBL I run Exchange servers at my house for labs and my own email, I just relay outbound mail through an ISP. |
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I run my own mail server on comcast. I route all my outbound through comcast, inbound is direct to my server. Outbound will get rejects from most mail servers if you are coming from a dynamic IP range.
P.S. My mail never references comcast unless you look at the headers to see what servers it pass through. |
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I've been running this way for years where I don't use Comcast for anything other than access. My inbound and outbound mail ALL goes through my own servers.
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P.S. My mail never references comcast unless you look at the headers to see what servers it pass through. That's what I'm trying to avoid. I have my own domains for a reason. I don't want to go through Comcast. |