It is a feature. Putty has option to use "Telnet" protocol or "Raw" protocol.
On Tue, 25 Apr 2023 at 16:43, Wietse Venema via Postfix-users < [email protected]> wrote: > Ue netcat (nc) instead of putty. > > I suspsect that putty is sending telnet protocol options, even when > it connets to a server on a non-telnet port. That would be a putty > bug. > > Wietse > _______________________________________________ > Postfix-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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