On: Tue, Oct 12, 2004 at 11:45:25AM -0400,Sahil Wrote: } Thanks for the help Rich. } } I got the first part with the prefix. } } I added: } } Filter= Sort, Allow, *@*.XYZ.EDU } } But it seems that something is not right with it, as it still allows } me to mail from a domain of for eg, [log in to unmask], which is what I } want to prevent. } } Any thoughts? What is the "sort" keyword here? I don't recognize it or see it in the listowner manual. Is "[log in to unmask]" an owner? Owners may bypass the filtering * Filter= *@* essentially blocks everything, then * Filter= Allow, *@*.XYZ.EDU Would make xyz.edu an exception to block everything. -- Rich Greenberg N6LRT Marietta, GA, USA richgr atsign panix.com + 1 770 321 6507 Eastern time zone. I speak for myself & my dogs only. VM'er since CP-67 Canines:Val, Red & Shasta (RIP),Red, husky Owner:Chinook-L Atlanta Siberian Husky Rescue. www.panix.com/~richgr/ Asst Owner:Sibernet-L