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  #11  
Old 12th March 2013, 01:03
Parsec Parsec is offline
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My mistake, was a typo - should be /etc/postfix/main.cf

If comcast blocks port 25 then you are going to have trouble sending any mail via postfix. 25 is the smtp protocol port.
When Comcast tell you to use port 465 instead they are referring to when you use an email client, not a mailserver.

Your only hope is that Comcast have a mail server available that listens on port 25 so then you can use it as a relay (ie: your server becomes a "smarthost").

Sorry, I am not familiar with how Comcast runs their network, so I can't really help you much in this.
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  #12  
Old 12th March 2013, 01:06
tenchi21 tenchi21 is offline
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okay in that file I have these set

inet_interfaces = all
inet_protocols = all
mynetworks = 127.0.0.0/8 [::1]/128
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  #13  
Old 12th March 2013, 01:12
Parsec Parsec is offline
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Yep, so that's ok. But your problem is going to be Comcast blocking port 25.

I don't have any other advice to help with that.
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  #14  
Old 12th March 2013, 01:59
tenchi21 tenchi21 is offline
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can I set my mail server to use another port and then be able to send/receive mail that way ? been trying to figure this out for about 11 days now lol.
Never thought that comcast could be the cause.

james
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  #15  
Old 12th March 2013, 07:51
Parsec Parsec is offline
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Not really no. Because all the mail servers on the internet are listening on port 25 (smtp) for incoming mail.

The use of other ports, like 465, 587 etc are generally for user access depending on the services provided to their own clients.

Your best bet is to do a few google searches and see if you can find other people trying to run mail servers behind Comcast and see what they did. The easiest way is the smarthost way - if you can find a comcast server to relay through.
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