A user identifier to login as in the MailServer .
Object Oriented Interface
public function getUser(); public function setUser($value);
ipworkssmime_shtmlmailer_get($res, 66 ); ipworkssmime_shtmlmailer_set($res, 66, $value );
If this property is set to a non-empty string, then when connecting to the MailServer an AUTH or CRAM-MD5 (depending on the value of AuthMechanism) command is sent in order to provide authentication information for the user.
This property is not available at design time.