Giulio Troccoli wrote: > I have just installed CentOS 5.1 on my home server and I am trying to > set a mail server. > > I have diligently followed the instructions on the Wiki - How To on > the CentOS website (http://wiki.centos.org/HowTos/postfix). However I > cannot send internal email (I haven't yet tried externally). > > Do you have any suggestions on what to check? To test it I used two > normail user: giulio and federica. I logged in as federica and sent an > email to giulio with the mail programme. Is this correct (i.e. using > the mail programme)? > > There is one thing that I don't quite understand from the > instructions. In section 3.1 it's suggested to set > > mynetworks = 192.168.0.0/24, 127.0.0.0/8 > > in the /etc/postfix/main.cf file. My home network however is > 192.168.69.0 and actually the IP assigned to any computers in the > networks start from 192.168.69.20. So I changed mynetworks to > 192.168.69.0/24 and also 192.168.69.19/30 (as my server IP address is > actully 192.168.69.25). I don't think this is the cause of my problem > anyway, because it didn't work even with the value suggested by the > Wiki page. > > Thanks for you help > Giulio > Well, after putting the correct settings in /etc/postfix/main.cf mynetworks = 192.168.69.0/24, 127.0.0.0/8 AND commented out the line #mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp restarted postfix and I can download my email with Thunderbird. I cannot read them on the server with mail but I don't care about that Thanks everybody for your help Giulio