Links to Useful Information
Here are a few links I've collected to information that might be of use to you. If you have suggestions for additional links or want to report a broken link, please contact me.
Links to products, software or services on this page do not constitute recommendations or endorsements. This list of links is not meant to be comprehensive.
SMTP Server Softwaresendmail
DNS ServiceDave Smith's Dynamic DNS Providers List
Granite Canyon's Public DNS Service
BackupDNS.com (secondary DNS only)
There are literally thousands of organizations that would love to register your domain name for you. I generally only list the ones that I have (positive) personal experience with. A quick search on Yahoo or Google should yield many, many alternatives.
Mail/Network Debugging Tools