Address all requests to 'GEcho', 'AreaMgr', 'AreaFix' or 'ConfMgr' (without quotes). The s

Address all requests to 'GEcho', 'AreaMgr', 'AreaFix' or 'ConfMgr' (without
quotes). The subject should start with your AreaMgr password.

In the body of the message to AreaMgr:

[+]        Connect an area
-          Disconnect an area
%HELP                Request this help text
%LIST                Request a list of areas available to you
%QUERY               Request a list of areas to which you are connected
%UNLINKED            Request a list of areas to which you are not connected
%COMPRESS    Change the compression program
%COMPRESS ?          Request a list of available compression programs
%PWD       Change your AreaMgr password
%PKTPWD    Change your packet password
%RESCAN              Request a rescan of messages in all added areas
%PAUSE               Temporary suspend all connected areas
%RESUME              Resume all temporary suspended areas
%NOTIFY      Enable/disable notify messages
%FROM 
      Remote maintenance, must be the first command  {+}
%RECEIPT ,     Send copy of receipt to  at 
    {+}
%NOTE [text]         Note for the SysOp, request is not deleted
[---]                Everything below the tear line is ignored

You can also use the -H, -L, -Q, -R and -U switches on the subject line.