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ISP blocking port 25, need a way around

Discuss ISP blocking port 25, need a way around in the Mail Server Help forum on Dev Shed.
ISP blocking port 25, need a way around Mail Server Help forum discussing tips, tricks, techniques and Spam containment solutions. Topics include mail servers such as Sendmail and Qmail, webmail interfaces such as Squirrelmail and Horde and spam solutions such as SpamAssassin and Bayesian

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  #1  
Old July 13th, 2004, 03:28 PM
soupman99 soupman99 is offline
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ISP blocking port 25, need a way around
I have PHP running on my server, and I have postfix running as well. I use my own postfix SMTP server from "Mail" and it works fine, but when I try and send email via PHP from my SMTP server, I get a bounced message. My ISP is blocking port 25 and I wanted to know if there was a way around where I could still use my own server.

Any ideas?

PS - I have Cox.
Last edited by soupman99 : July 13th, 2004 at 05:49 PM.
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  #2  
Old July 13th, 2004, 06:08 PM
cbchev68 cbchev68 is offline
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Im confused, you say postfix works, but you cannot send from a PHP script? And because of that, you believe that your ISP is blocking port 25?

Correct me if I am worng, but postfix is an MTA and uses port 25..
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  #3  
Old July 13th, 2004, 06:34 PM
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obi_wonton obi_wonton is offline
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Indeed. If you can send mail to an outside address from postfix, then your ISP can't be blocking port 25.
And if they are blocking port 25, you would have to get a friend to setup a server to listen on port 80 (or some other port that'll be open for sure...) with an MTA, and then get them to forward the mail through standard port 25, and send it flying across the web...
Last edited by obi_wonton : July 13th, 2004 at 06:38 PM.
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  #4  
Old July 13th, 2004, 09:24 PM
soupman99 soupman99 is offline
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Well,

here's the message.
PHP Code:
 This is the Postfix program at host Justin-Youngs-Computer.local.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the message returned below.

            The Postfix program

<myemailaddress@blah.com>: host smtp.central.cox.net[68.1.17.4] said: 553
    Justin-Youngs-Computer.local does not exist (in reply to MAIL FROM command)
Reporting-MTA: dns; Justin-Youngs-Computer.local
Arrival-Date: Tue, 13 Jul 2004 21:22:20 -0500 (CDT)

Final-Recipient: rfc822;myemailaddress@blah.com
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; host smtp.central.cox.net[68.1.17.4] said: 553
    Justin-Youngs-Computer.local does not exist (in reply to MAIL FROM command) 


any ideas?
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  #5  
Old July 14th, 2004, 10:53 AM
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obi_wonton obi_wonton is offline
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Quote:
Justin-Youngs-Computer.local does not exist (in reply to MAIL FROM command)

Did you specify the sending email address? It looks like it's using [something]@Justin-Youngs-Computer.local, and you didn't setup the name right.

Try adding this line to your /etc/hosts file

127.0.0.1 [tab] Justin-Youngs-Computer.local
Last edited by obi_wonton : July 14th, 2004 at 09:55 PM.
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  #6  
Old July 14th, 2004, 02:26 PM
soupman99 soupman99 is offline
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Here's what I have now...is this right? I don't think I did it right is why I'm asking. and the [tab] isn't actually written in.

##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
##
Justin-Youngs-Computer.local [tab] 127.0.0.1 [tab] localhost
255.255.255.255 broadcasthost
::1 localhost
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  #7  
Old July 14th, 2004, 09:56 PM
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Try putting the IP first, then follow it with the aliases.
127.0.0.1 [tab] localhost [tab] justin-young-computer etc...
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  #8  
Old July 15th, 2004, 02:03 AM
soupman99 soupman99 is offline
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no dice. It still returns the mail with the previous error message. Anything else I can try?
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