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FuseMail: Email Protocols
Email Protocols, Business Class Email, simple business email completely spam free. Outsource your business email, SLA, real-time backups.
Webmail.us: Multi-protocol Email Hosting
Offers email hosting with 99.99% uptime, 1 GB or 100MB boxes, Outlook and Webmail access, and spam/virus protection. Just $60 a year for 5 mailboxes.
MailStreet Exchange Hosting: Email Protocols
Microsoft Exchange based email service for Small Business. Share calendars, contacts and more with Outlook. Starts at $9.95/month. Free for 30 days.
PIM-SM Multicast Routing Protocol
This paper from Microsoft is an introduction to the PIM-SM multicast routing protocol, concentrating on version 2. It is intended for IT managers who are already familiar with multicasting, and who want an overview before reading the PIM-SM RFC.
The full text of RFC 2117 detailing PIM-SM.
Email Protocol Services: Electric Mail
Provides managed email security services to businesses. Services include hosted email and protection against email threats.
INS: Optimize Operations with Internet Protocol Management
Centralize and automate critical Internet Protocol processes with next-gen software. Free best practices kit includes white paper, webinars, and demo.
Frontline Test Equipment: Protocols
Provides PC-based data communication protocol analyzers. Makers of Serialtest and the FTS family of protocol analyzers and testers.