Static vs. Dynamic IP address and email blocking

Brandon Stout bms at mscis.org
Fri Apr 6 16:04:44 MDT 2007


Dr. Scott S. Jones wrote:
> In light of the MX Records thread, I thought I'd toss in my question. 
>
> I recently switched from Qwest/Xmission, where I believe I had a Static IP
> address for DSL to my office, to Comcast, with dynamic IP address. I am now
> running into several problems with sending email.
>
> I can't email to AOL accounts, two of which belong to my Mother. Similarly,
> I can't email to MSN accounts. 
>
> I have gone the rounds with AOL's postmaster support, as well, with Comcast,
> who all threaten to reverse the DNS back to my own domain, instead of having
> it show up as reversing to comcast.net. After a while they come back and
> say...can't do it cause you have a Dynamic IP address. 
>
> Is there ANY POSSIBLE WAY to have a dynamic IP address, and yet manage my
> own email and send out email to recipients bearing @aol.com or @msn.com, et
> al? 
>
> I have had some mention dyndns but not sure how that would work with my
> situation. When I switched over to Comcast, the cost for changing was $0.00,
> but with an increase in bandwidth from 1.5 Mbps to over 4 Mbps. And yet,
> despite the speed boost it's really worthless if I can't email to everyone
> on my patient lists and others. 
>
> Please advise. 
>
> Scott

Does Comcast not offer a static IP?  Usually you can get a static IP for 
an additional monthly fee from an ISP.  I'm not sure about Comcast.

Brandon Stout
http://mscis.org




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