While running "dpkg-reconfigure postfix" Other destinations to accept mail for (blank for none): <-- server1.example.com, localhost.example.com, localhost.localdomain, localhost But in my package configuration i have , , where the above calls for localhost.localdomain. Should I accept as is or enter localhost.localdomain between the , , -------------------------------------------------------------------------------------- I performed a dig localhost.localdomain root@www:/home/albert# dig localhost.localdomain ; <<>> DiG 9.5.1-P2 <<>> localhost.localdomain ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16373 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;localhost.localdomain. IN A ;; AUTHORITY SECTION: . 893 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2009091200 1800 900 604800 86400 ;; Query time: 17 msec ;; SERVER: 192.168.1.1#53(192.168.1.1) ;; WHEN: Sat Sep 12 14:25:11 2009 ;; MSG SIZE rcvd: 114 --------------------------------- So I did insert it. Was I correct in doing so? --------------------------------------- A dig localhost resulted in: root@www:/home/albert# dig localhost ; <<>> DiG 9.5.1-P2 <<>> localhost ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48069 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;localhost. IN A ;; ANSWER SECTION: localhost. 0 IN A 127.0.0.1 ;; Query time: 20 msec ;; SERVER: 192.168.1.1#53(192.168.1.1) ;; WHEN: Sat Sep 12 14:29:13 2009 ;; MSG SIZE rcvd: 43 ------------------------ Is this the correct? Trying to learn this stuff.