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Network Troublshooting => Linux Servers Support => Topic started by: dragonkeeper2004 on November 08, 2009, 05:49:43 AM

Title: How do i make postfix work with an ISP that blocks port 25?
Post by: dragonkeeper2004 on November 08, 2009, 05:49:43 AM

Im a relitive newbie when it comes to linux. all i know is what i've messed with at school/personal use. Now im trying to setup a LAMP server with WordPress blogging php script. The script sends an e-mail with your password once you sign up.

My problem is that i have ATT yahoo internet and they block port 25. here is the help document that outlines what needs to be setup to make this work. http://www.att.com/esupport/article.jsp?sid=KB400335

My blog is essentialy crippled since i cannot have new uses sign up.

Does anyone have ideas on this?

Title: Re: How do i make postfix work with an ISP that blocks port 25?
Post by: kaushalpatel1982 on November 08, 2009, 10:00:37 AM

You should talk with ISP regarding the block of port 25. Ask the reason why they done it.

Title: Re: How do i make postfix work with an ISP that blocks port 25?
Post by: dragonkeeper2004 on November 08, 2009, 05:01:26 PM

They block it to discourage spam. I asked if they could lift the block on my IP range and they pointed me to a service with a much more expensive access fee.

Title: Re: How do i make postfix work with an ISP that blocks port 25?
Post by: k3s99 on December 12, 2009, 07:35:05 AM

try to find out if the ISP have a mail relay and use this in your postfix config. works perfect for me