@Override
	public EmailPopulatingBuilder withReturnReceiptTo(@Nonnull final Recipient recipient) {
		checkNonEmptyArgument(recipient.getAddress(), "recipient.address");
		this.useReturnReceiptTo = true;
		this.returnReceiptTo = new Recipient(recipient.getName(), recipient.getAddress(), null);
		return this;
	}
@ Override public EmailPopulatingBuilder withReturnReceiptTo ( @ Nonnull final Recipient recipient ) { checkNonEmptyArgument ( recipient . getAddress ( ) , "recipient.address" ) ; this . useReturnReceiptTo = true ; this . returnReceiptTo = new Recipient ( recipient . getName ( ) , recipient . getAddress ( ) , null ) ; return this ; }
@see EmailPopulatingBuilder#withReturnReceiptTo(Recipient)