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What is SMTP?

Simple Mail Transfer Protocol

A simple protocol for sending and transfer mail between the mail servers. Is operated on port 25 (without SSL).

Send mail via our mail servers can only be enabled SMTP authorization.
In the event that SMTP authorization is not set or is set to false, the most common error "550 Not local host: cilova-mydomain.com, not a gateway" when sending mail.
The procedure for setting the outgoing mail authentication, see the instructions for setting the specific mail clients, for example.here.

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