getReplyTo() public method Returns the reply-to address

$to public property The message recipients

$bcc public property The Bcc (hidden copy receiver) addresses

setPriority() public method (available since version 2.0.6) Set

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

getReadReceiptTo() public method (available since version 2.0.6)

createSwiftSigner() protected method (available since version 2.0.6)

setSubject() public method Sets the message subject.

$signature public write-only property Signature specification

getFrom() public method Returns the message sender.