Hi, I already patch qmail with oversize DNS packets of Christopher K. Davis. But it not solve the problem. The message can't delivered. It's already for several days :( 973366611.480853 starting delivery 3105: msg 773464 to remote [EMAIL PROTECTED] 973366611.480871 status: local 0/120 remote 1/120 973366611.485720 delivery 3105: deferral: CNAME_lookup_failed_temporarily._(#4.4.3)/ [root@freeon qmail]# cat /etc/resolv.conf nameserver 127.0.0.1 [root@freeon qmail]# host -t mx lovemail.com localhost Using domain server: Name: localhost Address: 127.0.0.1 Aliases: lovemail.com mail is handled (pri=10) by mail1.chek.com [root@freeon qmail]# ping mail1.chek.com PING mail1.chek.com (208.197.227.56) from 192.168.0.1 : 56(84) bytes of data. 64 bytes from mail1.chek.com (208.197.227.56): icmp_seq=0 ttl=238 time=331.9 ms 64 bytes from mail1.chek.com (208.197.227.56): icmp_seq=1 ttl=238 time=330.6 ms --- mail1.chek.com ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max = 330.6/331.2/331.9 ms Any idea? Cheers, -- Asfihani. #UIN: 85858803 WinErr 16547: LPT1 not found. Use backup. (PENCIL & PAPER.SYS)