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Gate what
Gate Zones Gate Domains Gate Both Gate Ask
The what parameter to the Gate
keyword specifies if
MsgEd TE should do zone gating (Gate Zones
), domain gating
(Gate Domains
), or both (Gate Both
). If you specify Ask
as parameter (this is also the default), you will be asked if you want to use
zone gating for each inter-zone mail that you write.
This has nothing to do with internet gateways!
Domain gating is explained in detail in the section about the Domain
keyword (see The Domain
Keyword).
Zone gating works like this: If you write a mail to a node in a zone different from your own, and zone gating is enabled, the mail will not be addressed to the receiver in the other zone, but it will be addressed to that zone’s zone gate (which also has an address inside your own zone). The address of the true receiver will be encoded in an @INTL kludge line.
If you don’t have a direct inter-zone link set up in your tosser, you may
always enable zone-gating on with the Zone
parameter. All mail that
crosses zone boundaries will then be sent via the zone gate, which is by far
the most reliable mail to send inter-zone mail. If, on the other hand, you do
have a direct inter-zone netmail link, you need the Ask
parameter,
because then you must decide for each netmail individually if it shall be
sent directly via this link, or (probably because it is for a zone not
covered by this link, or because the link partner has not agreed to forward
mail not destined for himself) must be sent via the zone gate.
Turning zonegating off with the None
parameter is not at all
recommended. If you send inter-zone mail wihtout zone-gating, there only need
be one single tosser on the routing path which does not recognise INTL
kludges, and the mail will probably disappear. So, don’t turn off zonegating
unless you have direct links for the destination zones you are writing mail to.
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