Domainmonster.com Glossary

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Mail Relay

Open email relay systems were used in the 1990s before the number of email recipients grew very large. In these systems, emails were passed from computer to computer until they reached the intended recipient. The ease of intercepting these messages, and the rapid growth of the Internet, introduced a need for more secure and efficient ways of delivering emails.

Email - Email Address  BCC  Email Header  Email Body  Email Subject  Email Attachment
Email Client  Opt-In  Opt-Out  POP  SMTP  Mail Server  Mail Relay  Web Mail  Mime  Recipient  

Domainmonster.com - Domain Name Registration Service

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