Knowledgebase: Support > E-Mail
How many MX records should I have for a domain?
Posted by - NA -, Last modified by on 24 July 2009 10:00 AM
An MX record (Mail eXchange) record defines which server accepts mail for a particular domain. Also defined in this record is preferences for the order in which MX's should be tried. In the past, having more than one MX record was not a problem, and provided some failover if the primary MX could not accept mail. As it stands now, only having one MX record is recommened. The reason for this is that spammers routinely send mail to a domains secondary MX servers, as usually secondary mailservers have much less stringent spam and virus checks. The SMTP protocol has built in retry mechanisms should your mailserver be unavailable, so unless it is down for an extended period of time, your mail should not be lost.

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