Hi, That would make sense up to a point but when I say connections I mean many connections for instance I had more than 50 yesterday. Bill ________________________________ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Michael B. Smith Sent: Monday, January 08, 2007 8:26 AM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Re: Excessivly long SMTP connections Likely they aren't dropping the connection and are reusing the same connection to transmit many e-mails. Which is much more efficient than opening a single connection per e-mail. From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of William Holmes Sent: Monday, January 08, 2007 7:56 AM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Excessivly long SMTP connections Hello, I have some excessively long SMTP connections occurring. These are coming from my own gateway servers. Some of these are on the order of hours. Can someone suggest what might be causing this type of behavior? Thanks Bill