DNS records

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Short form for mail exchange record, an entry in a domain name database that identifies the mail server responsible for domain's  e-mails handling. "Mail exchange" is just another name for the machine used for receiving and sending email.
 
Short form for mail exchange record, an entry in a domain name database that identifies the mail server responsible for domain's  e-mails handling. "Mail exchange" is just another name for the machine used for receiving and sending email.
  
When a domain name has more than one MX record, then these records can be prioritized with a preference number that indicates the order in which the mail servers should be used. Mailers attempt to deliver to the mail exchanger with the lowest preference value (highest priority). In case the highest priority mail exchanger fails, the mailer will attempt to deliver email to the next highest priority.
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When a domain name has more than one MX record, then these records can be prioritized with a preference number that indicates the order in which the mail servers should be used. Mailers try to deliver an email to the mail exchanger with the lowest preference value (highest priority). In case the highest priority mail exchanger fails, the mailer will attempt to deliver email to the next highest priority.
  
 
<center>'''PTR Record'''</center>
 
<center>'''PTR Record'''</center>

Revision as of 11:20, 25 October 2011

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