$subject public property The message subject

attach() public method Attaches existing file to the email

setReadReceiptTo() public method (available since version 2.0.6)

addHeader() public method (available since version 2.0.6) Adds

setHeader() public method (available since version 2.0.6) Sets

getPriority() public method (available since version 2.0.6) Returns

getHeader() public method (available since version 2.0.6) Returns

setHtmlBody() public method Sets message HTML content

$replyTo public property The reply-to address of this message

setBcc() public method Sets the Bcc (hidden copy receiver)