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Smtp monitoring

SMTP means "Simple Mail Transfer Protocol" - network protocol to send email in TCP/IP networks. And there is another version of smtp - ESMTP (Extended Simple Mail Transfer Protocol) - this is scalable extension for SMTP protocol.

SMTP is used to send mail from users to servers, and between servers for the further forwarding to the recipient. To recieve mail it is used POP3 and IMAP protocols.

To deliver mail message it is necessary to forward it to domain mail server, where recipient is. For this purposes it is usually used MX records in DNS system. If there is no MX records, A-record can be used. The hostory of SMTP you may read at Wikipedia website.

To make sure that SMTP server on your host works properly I advice to use Smtp monitoring service. Such way you will be sure that your message is sent away without interruptions and errors. I advice to use smtp monitoring service by Dotcom-Monitor.com All the features you may read at their website.