Re: Exchange 2007 gives 535 5.7.3 Authentication unsuccessful

[Wietse Venema]

fleon:
> I tried to connect with this command:
> 
> openssl s_client -starttls  -smtp -crlf -connect
> exchangeserver.ourdomain.com:25
...
> After typing then manually encoded, i got a RENEGOTIATING and finally a

Openssl s_client will "renegotiate" when you type "R". Try using
lowercase characters only.

        Wietse