>My  suggested  fix  (putting  the X1 in the second line of a multiline
>reply) would take care of that.

oh, that really sucks   :))

1. WHY not just enter the ip's into each peer of all the peers?  no need to 
play silly games parsing out the banner.

2. But here's the High Tek solution:

a. in DNS, create a domain name.

peer.peereddomain.com.

b. create MX records for it:

peer.peereddomain.com.  MX  10 peer1.peereddomain.com.
peer.peereddomain.com.  MX  10 peer2.peereddomain.com.
peer.peereddomain.com.  MX  10 peer3.peereddomain.com.
peer.peereddomain.com.  MX  10 peer4.peereddomain.com.

c. when peerx is defined in imail as a peer member, AND it receives a msg 
for a peereddomain.com account that is not local to itself, then it queries 
DNS for the MX records of peer.peereddomain.com

d. it eliminates itself from the set of MX records and then tries to 
deliver to all the other peerx's.

This has the huge advantage of re-using all of the code already in Imail 
for implementing the RFC MX algorithm.

It would also allow for new peers to be added, and for their ip's to be 
changed, without bothering any of the other peers.

3. Objection to 2. "Len, what about all those IMail admins who can't even 
spell DNS, never mind admin it?"

Objection overruled:  do exactly the same as 2. but DO IT in hosts file.

ip.ad.re.ss peer1.peereddomain.com.
ip.ad.re.ss peer2.peereddomain.com.
ip.ad.re.ss peer3.peereddomain.com.
ip.ad.re.ss peer4.peereddomain.com.

but that has all the drawbacks of hosts file, which were solved when DNS 
was designed.

The REAL WEAKNESS of Imail peering (and webmail) is not the 
X1-in-a-bad-spot monkey business, it's that Imail doesn't support true 
assymmetric peering/clustering of SMTP/POP/WEBMAIL services.   ie, 
front-end protocol  smtp/pop/imap/http servers with backend mailbox+auth 
servers.

Len

http://MenAndMice.com/DNS-training
http://BIND8NT.MEIway.com : ISC BIND for NT4 & W2K
http://IMGate.MEIway.com  : Build free, hi-perf, anti-abuse mail gateways


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