this.getTo().removeAll(rejectedRecipients); if(this.getTo().isEmpty()) { this.getMessage().removeHeader(MailStandard.Headers.To); this.getCC().removeAll(rejectedRecipients); if(this.getCC().isEmpty()) { this.getMessage().removeHeader(MailStandard.Headers.CC); this.getBCC().removeAll(rejectedRecipients); if(this.getBCC().isEmpty()) { this.getMessage().removeHeader(MailStandard.Headers.BCC);