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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.
Read the full text of RFC 768, which explains User Datagram Protocol.
UDP Connectionless Transport
A close look at how UDP works and what it does.
User Datagram Protocol (UDP) RFC
Request for Comments paper on the User Datagram Protocol (UDP).
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.