I've been trying to resolve an issue, but I'm having some trouble as I'm not very good with firewalls. My firewall seems to be changing information in the HELO command of SMTP traffic. It SHOULD look something like '220 mail.domain.com ESMTP postfix'...

I'm hoping someone out there will have the pinouts to connect the console port on a Catalyst 3750 to a Blackbox Rack Terminal Server 16 port.The Blackbox is using RS232 V.24 on UTP8 with RJ45 connectors:1 - DCD2 - RTS3 - DSR4 - TxD5 - RxD6 - GnD7 - C...