[ale] comcast business + mail server = static ip?

[Robert]

>Are you looking to use it for incoming or outgoing email?  For incoming
>you should be fine.  Just get your MX pointing to you and email will
>flow to your server.

Mainly incoming.. outgoing is only occasional..

>You will, however, have issues for outgoing email because most of the
>large ISP dynamic IP blocks are in the DNSBLs due to spamming.  You will
>probably need to use Comcast's email server as an outgoing gateway, or
>use some other gateway for an email account you own.

Hmm.. I guess I can check and see if I their mail servers will accept/send
mail for random domains..  Though that would require a more complicate spf
setup, I think..