Unix socket as host shows error

[mikehu404]

Problem description

when setting the host option as a path to socket. Shows error.

option

                    $phpmailer->Host = '/var/shared/postfix/smtp.sock';

error

SMTP Error: Could not connect to SMTP host.

SMTP Debug:
Invalid host: /var/shared/postfix/smtp.sock

[Synchro]

That's because it's not a supported option.