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Summery Summery
Send an SMTP HELO or EHLO command.
Syntax Syntax
Description Description
Used to identify the sending server to the receiving server. This makes sure that client and server are in a known state. Implements RFC 821: HELO
Parameters Parameters
- $host
-
(Optional) The host name or IP to connect to
Default value: ''
Return Return
(boolean)
Source Source
File: wp-includes/class-smtp.php