Setting Security

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You can use the Security tab to determine whether you want the list-server mailing list to be moderated or unmoderated, and to set access to the list.

1. Click the Security tab. The Security options appear.
   
2. Select the options you want to use.

   Allow posting by. Determines who can post mail to the list.

   • Anyone lets anyone on the Internet post mail.
   • Subscribers lets only the subscribers post mail.
   • Moderator lets only the list owner post mail. Select Moderator when you want the list owner to review all messages before they are posted to the list.

     Allow List Unsubscribes based on Subject line. When a user wants to unsubscribe from the list, most list servers expect the Unsubscribe command to be specified in the body of mail message. If you want the list to also accept an Unsubscribe command specified in the Subject line of the message, select this option.

     When selected, the list will accept the following commands in the Subject line to unsubscribe: unsubscribe, remove, signoff.

Note: It is recommended that you enable this command, but do not advertise that the list server supports it, because these messages are sent to the list address and will go out to the list if the command is misspelled.

Disallow Subscriptions. Rejects a Subscribe request, and users can only be added in one of the following ways:

• By using IMail Administrator to edit the User's file
• By the list administrator through Web Messaging
• By the list administrator through the Web Remote Administration utility

  Note that Unsubscribe requests cannot be disabled.

  Disable List Command. A user can obtain a list of the users subscribed to a list-server mailing list by addressing a message to the list server (for example, imailsrv@domain.com) and entering the List listname command in the body of the message. If you do not want users to receive a list of the subscribers to your list, select this option. (Note, however, that list owners can always access this command.)

  Use Password. Turn this on to require a password for posting to the list. See "Using a Password".

  Enable Posters List. Enable this to specify who can post by listing their e-mail addresses in a file. Click Edit Posters to edit the list.

  Edit Kill File. The kill file lets you specify a mail address or a particular mail host that you do not want to accept mail from. To specify a mail address or host in the kill file, click the Edit kill file button. The file kill.lst appears in the Windows Notepad. In the kill.lst file, enter one entry per line in either of the following formats:

  userid@host 
  @host 
  
  
     For example, to deny access from a user mail account, you could enter: fred@widget.com . To deny access to all users from the mail host widget.com, you can enter: @widget.com.
  
  
  
  
     The list server checks the incoming message's MAIL FROM: <user@host> line. The list server denies access to any mail address listed in the kill file.
  
  
  
  
     The kill.lst file resides in the IMail\lists\listname directory (where listname is the directory for the particular list) and applies only to the specified list.
  
  
  

3. Click Apply to save your changes.

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