public MailMessage() { recipientList = new ArrayList(); ccList = new ArrayList(); bccList = new ArrayList(); attachments = new ArrayList(); images = new ArrayList(); customHeaders = new ArrayList(); mixedBoundary = MailMessage.generateMixedMimeBoundary(); altBoundary = MailMessage.generateAltMimeBoundary(); relatedBoundary = MailMessage.generateRelatedMimeBoundary(); }