15 juin 2011
Setting SMTP Banner In Exchange 2010…
All Exchange admins are familiar with the SMTP banner. It is the response received by a remote server after it connects to the receive connector of an Exchange 2010 Hub or Edge server. If the SMTP banner is not set on a receive connector, the default response will have the fqdn of the server, along with the information that the server in use is a Microsoft one.
Below is the default response from my telnet client. As the internal information becomes visible to outside servers, exchange admins tend to change it.
I have seen... [Lire la suite]
