Subj : binkd connecting to own AKA
To   : mark lewis
From : Alexey Fayans
Date : Mon Jan 13 2020 08:59 pm

Hello mark!

On Mon, 13 Jan 2020 at 11:48 -0500, you wrote to me:

 ml> in the specific case i'm looking at, the problem is a netmail from a
 ml> node's point to the node but the node forwarded it here... apparently
 ml> there is no automatic routing in place with the software i'm using
 ml> that routes netmails from points to their boss node... in this
 ml> instance, there was a routing problem on the boss node which resulted
 ml> in the point netmail being sent here... that's been fixed but my
 ml> system was following its routing table and sending all mail for that
 ml> boss' points to the NC for forwarding to the node... since i'm also
 ml> the NC for that net (and a few others) binkd was calling itself which
 ml> just seems weird...

This is indeed a routing problem and should be fixed instead of trying to stop 
binkd from doing its work.

 ml> so far, i've fixed this case by deleting the ?ut file and adjusting my
 ml> routing to specifically routes this node's point netmails to the node
 ml> but to have to specifically set routes for all nets' nodes' points to
 ml> avoid this if i'm also the NC of that net is painful to say the least
 ml> :/

Routing should handle every case and never pack anything to your own AKA. This 
is easily achieved with RNtrack, for example. My system will always resolve 
final destination properly before packing anything (or discard mail that can't 
be routed and send notification to sender).

 ml> it just seems that a mailer should recognize mail destined to itself
 ml> and refuse to make the attempt with an appropraite log notice...

I do not agree. Mailer reads outbound and delivers what can be delivered.

 ml> i can imagine what a single node system on POTS would do trying to
 ml> call itself...

It would do exactly the same. Single line node would receive BUSY all the time 
though.


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