SENDING MESSAGES on XOBBS...The 'S' Command
 
Messages to 'local' stations
    S Call letters. For example: S W3ABC sends a message to W3ABC
    on this BBS. It will not be forwarded to any other BBS and must
    be read by W3ABC on this BBS.

Messages to be Forwarded to another BBS
    S ToCall @ BBScall. For example: S W3XYZ @ KA3NVP sends a message
    to W3XYZ at the KA3NVP bbs. This message will be automatically
    forwarded to the KA3NVP BBS for reading by W3XYZ.

Personal Messages. SP Call  or SP Call @ BBS
    Putting a 'P' after the S in the command makes the message a
    personal message to the addressee. Others may not read it.
    Otherwise, SP is the same as S.

Traffic. ST Call or ST Call @ BBS
    Putting a 'T' after the S command identifies the messsage as
    traffic for the NTS system.

Bulletins  SB Call of SB Call @ BBS $BulletinID
    Putting a 'B' after the S in the command identifies the message
    as a Bulletin message.
    You may also address a Bulletin to 'ALL' or 'DXERS', etc. It does
    not have to be addressed to a station. If the Bulletin is to be widely
    diestributed,it should have a Bulletin ID, which is a combination of
    letters and numbers that are unique. Usually, amateurs start the bulletin
    ID with a part of their call letters followed by a number, as usually
    no one will use someone else's call in a Bulletin ID and therefore,
    the combination is unique. For Example, W3ABC might use something
    like ABC12389. The idea of Bulletin Id's is that bulletins sometimes
    spread through divers paths on the network of BBSs . Because each
    bulletin has a unique bulletin ID, a BBS may refuse to accept a
    bulletin that it already has 'on file'. This eliminates duplication
    of effort. Remember, if you send a bulletin to the network, each
    bulletin ID must be different and unique to your station. Start
    with your call letters followed by 001, say WA3PDQ001, with the
    next being WA3PDQ002 and so forth.

NETWORKS
    The concept of 'networks' has evolved over the history of packet
    mail forwarding. By substituting a 'network name' for the bbs
    call letters when sending messages, it is possible to distribute
    messages to a number of BBSs. For Example, SB ALL @ PANET would
    send a bulletin to everyone on the PANET network. When a BBS
    sees such a name in place of the BBS in the Send Command, it looks
    in a special file called the 'distribution file', containing the
    call letters of all the BBSs in the PANET network. It will attempt
    to send a copy of the message to each BBS in the network. This is
    where the Bulletin ID becomes important. If the bulletin travels
    through the network via two different paths or more, multiple
    copies could arrive at some BBSs. The Bulletin ID prevents this
    from happening.

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