Methods and systems are provided for locking the reply recipients field of an e-mail to ensure that reply e-mails or forwarded e-mails include the original recipients of the e-mail. In some embodiments a reply e-mail or forwarded e-mail that does not include the locked recipients will be prevented from being sent. In other embodiments copies of the reply/forwarded e-mail will be sent to the locked recipients even though they do not appear on the distribution list.