Subj : PyGate Has been released
To   : Tommi Koivula
From : Stephen Walsh
Date : Sat Jan 31 2026 01:07 pm


Hello Tommi!

30 Jan 26 10:07, you wrote to me:

 TK> Nope. I'm talking about the situation when I send a message from fido
 TK> to news. It has a MSGID:
[...]
 TK> The original fido MSGID is saved in the nntp-message. Maybe that
 TK> should be used as a fido MSGID if it exists?


### Version 1.5.7 (January 30, 2026)

When converting NNTP to FidoNet, PyGate now checks for the X-FTN-MSGID header 
first. If present (indicating the
message originated from FidoNet), it uses the original MSGID instead of 
generating a new one. This allows
FidoNet duplicate detection to work correctly and prevents message loops.

The flow is now:
1. FidoNet -> NNTP: MSGID: 2:221/1 697c6658 -> X-FTN-MSGID: 2:221/1 697c6658
2. NNTP -> FidoNet: X-FTN-MSGID: 2:221/1 697c6658 -> MSGID: 2:221/1 697c6658 
(same!)

Duplicate detection will now recognize it as the same message.




Stephen


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