Apparently our domain has been spamlisted, and a check has revealed that we're an open relay. Internally we have just one mail server, Exchange 2007. No edge transport. Send connector is ...
I have a Postfix server filtering emails for an Exchange 2003 server. From the firewall, all incoming emails are routed through Postfix, gets filtered before it is delivered to the Exchange 2003 ...
I have a client that uses AlphaPage First Responder to send pages to cell phones, pagers, etc. It can do everything but send out pages to cell phones fine. It sends cell phone pages through Exchange ...
I have someone with two domains, a.com and b.com. a.com is running a postfix server on the mx host for the domain and I have total control of the server. b.com is running an exchange server on the ...