By default SMTP binds to port 25. check /etc/services to find out for sure on your box. John Kloian III ____________________________________________________________________________ Vice President Wired Global Communications, Inc. Phone: 602.674.9900 ext. 103 "Specializing in Open Source Network Solutions" Fax: 602.674.8725 http://www.wiredglobal.net On Fri, 3 Mar 2000, Joel Dudley wrote: > Anyone know how to use fuser such that it will show me what is using port 25?? > > - Joel >