{Disarmed} Re: Listen on different port

Gerard gerard at seibercom.net
Mon Jan 7 16:46:54 GMT 2008

On Mon, 07 Jan 2008 10:18:46 -0600
Ken Anderson <ka at pacific.net> wrote:

> You really should relay out through your ISP's mailserver. Your ISP
> will not be blocking port 25 incoming, so your listening sendmail on
> port 25 should be able to receive mail from the Net just fine. Your
> ISP's block on port 25 outgoing will not be worked around by setting
> up your sendmail to listen on an additional port. You need to set
> smart host in your sendmail.mc and rebuild sendmail.cf.

Comcast, at least in selected markets, has been blocking port 25 both
in & out. In fact, they are enforcing TLS/SSL on port 587, again in
selected markets. Actually, it is not such a bad idea if it stops
'bots' from sending SPAM.


gerard at seibercom.net

Trifles make perfection, and perfection is no trifle.


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.mailscanner.info/pipermail/mailscanner/attachments/20080107/bf26a8d2/signature.bin

More information about the MailScanner mailing list