Dear sir, I am facing a very starange problem, I am using qmail 1.03 on red hat 6.2 and giving mailing solution to 18 different customers, whose Mx pointing is my server. My all the domains are listed in virtualdomains file with some prepend, Like ttk-lig.com is one of the entry and i m using prepend ttk for this. and for maricoinidia.net its mil. So my virtualdomains file for ttk-lig.com is ttk-lig.com:ttk maricoinidia.net:mil And till yesterday every thing was working fine. But suddenly mail server started giving problem for ttk-lig.com only. Mails for other domain is workig fine. For ttk-lig.com i m having pop accounts as well as i m doing just forwarding also to their destination server for some users. I am doing forwarding by making a default alias .qmail-ttk-default. and entry in this file is like this... |forward $[EMAIL PROTECTED] and in smtproutes i m having below entry for ttklig_ch_notes.ttk-lig.com ttklig_ch_notes.ttk-lig.com:[192.168.100.1] Now when ever i m sendng a mail to any ttk guy whose mailbox is at remote server ( just forwarding should do ) , then mail is getting bounced back by saying that no mailbox available. And mail is bouncing from my own server..while if i m sending a mail to that user whose mailbox is at my server then mail is going. I feel its not reading the alias file... But when i changed the prepend ttk to ttklig and i made a default alias .qmail-ttklig-default and gave the below entry in it |forward $[EMAIL PROTECTED] ( and smtproutes file is also having the required entry. ) mails started going....now its reading the alias file by just changing the prepend word... both .qmail-ttk-default and .qmail-ttklig-default file has same permition\ 4 -rw-rw-r-- 1 root root 46 May 7 17:29 .qmail-ttk-default 4 -rw-rw-r-- 1 root root 46 May 7 19:47 .qmail-ttklig-default Could you pl help me , why it happens,, why its not taking prepend word ttk. Why its blocking word ttk, Is there any command so that i can make it workable with ttk prepend only.. Is there any bug in qmail. My qmail version is qmail-1.03-8 Pl help me for this Regards Lokesh