Create a forum (Optional subscription) Subscribe a user Create a discussion Set maxeditingtime to -1 Run the forum task Check your e-mail: Confirm that the e-mail you received does not have a message informing you that the reply is included* Confirm that the e-mail you received does not tell you that you can reply by e-mail Repeat for both HTML and Plain mail Enable message_inbound Enable the forum handler Post a new discussion Run the forum task Check your e-mail: Confirm that the e-mail you received does have a message informing you that the reply is included* Confirm that the e-mail you received does tell you that you can reply by e-mail Repeat for both HTML and Plain mail