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Tuesday, June 28, 2011

Email Service

The email system is divided into three different parts: 
1. MUA
2. MDA
3. MTA.


Mail User Agent(MAU):
It deals specifically with end users. It is what they use to type and read emails they receive. The MUA is a mail client of some sort, such as Thunderbird or Evolution. 


Mail Delivery Agent (MDA):
It handles the delivery of mail from the receiving mail server to the spool where the mail sits
until an MUA picks it up for the user. 


Mail Transfer Agent (MTA):
It is responsible for moving mail from one server to another until it arrives at its destination.

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