"Brian Cryer" <brianc@127.0.0.1.activesol.co.uk> wrote in message
news:u3pbMQunIHA.1212@TK2MSFTNGP05.phx.gbl...
> "D.Ford" <not@today.com> wrote in message
> news:OI$SaRlnIHA.4684@TK2MSFTNGP06.phx.gbl...
>> Hello
>>
>> I am a networking student. for experiance Iam tryoing to set up a basic
>> mail server . I have a copy of server 2003 in my text book. and I have
>> purchased a domain name.
>> I have added the services requierd to and have set up mail boxes. as well
>> i have set up mx records a records and dns on my network. I have access
>> to the server through my fire wall. checked with id serve and telnet.
>> IDserve shows the server ready. I have to use dyndns as i don't have a
>> static ip adress but as i said i can see the server from out side my
>> network. I have to use port 52525 for incoming mail connections. as per
>> dyndns.
>> mail relay.
>
> I don't use dyndns (but I do use a similar service from no-ip), but where
> does port 52525 come from? Other email systems will expect to use port 25,
> which is the standard for SMTP (e-mail). Does your ISP block port 25? Some
> do, in which case you are stuffed and will not be able to use your server
> to handle incoming email for your domain.
>
> I sugget you change back to port 25. Ensure that everything works
> internally on your LAN and only then worry about getting it to work for
> incoming emails. Be aware that for outgoing emails you are probably better
> off using your ISPs SMTP server because many servers will reject emails
> from servers with dynamic IP addresses.
>
> Hope this s.
> --
> Brian Cryer
> www.cryer.co.uk/brian
>
port 52525 is one of the ports dyndns say's i have to use. they give others
but not 25. can i redirect there port to 25 ??

Thanks

D.Ford