Mailer is set to “SMTP”.
Parameters need to be set up:
SMTP Authentication. Whether or not the external SMTP server requires authentication before accepting outgoing emails. The default is “No”.
SMTP Security. The form of security required by the SMTP server. – “None”, “SSL” or “TLS”. The default is “None”.
SMTP Port. The IP port to use when connecting to the SMTP server. This will usually be “25” for None, or “465” for SSL or TLS.
SMTP Username. The username to be used when connecting to the SMTP server in SSL or TLS mode. May be left blank if there is no SMTP authentication.
SMTP Password. The password to be used when connecting to the SMTP server in SSL or TLS mode. May be left blank if there is no SMTP authentication.
SMTP Host. The hostname of the SMTP server (e.g. “smtp.example.com”).
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