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RE: [linux-392] Ports

From: user 4.
Sent on: Friday, September 19, 2008 12:50 PM

 I was told by everyone not to change smtp to another port to get around the fact that my ISP blocks outgoing mail on port 25.

 

So, what I gather is that I need to create a new named port for sending email, so I’ve picked a new port.

 

Then, I need to configure send mail to use that port.

 

I added to /etc/services:

 

oml       port#/tcp           omail

oml       port#/udp           omail

 

Then I added to the dns records

 

omail.domainname         A          ip address

Domainnae                    MX(10)  omail.domainname

 

However, when I try to connect to omail.domainname from Outlook I get an error.

 

Were there any other steps I need to create a new port to connect to?

 

So I’m guessing, I have to replace smtp with oml in my sendmail.cf and sendmail.mc files.

 

Is there anything else I have to do?

 

Is any of this wrong?

 

Will this work?

 

Michele

 

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