Am 12.05.2014 um 14:56 schrieb Laurent CREPET <pebkac at itguy.fr>: > > On Mon, May 12, 2014 at 2:12 PM, Joseph Hesse <joehesse at gmail.com> wrote: > >> A consultant, long gone, set up postfix, dovecot, amavisd and >> squirrelmail for my wife. >> It works fine but my wife wants to change the server name from old.com >> to new.com so the name is more appropriate for her business. >> My approach would be to use sed to change all occurences of old.com to >> new.com. >> Specifically, I used grep to identify the following files where I should >> make the changes. >> >> /etc/postfix/main.cf >> /etc/dovecot/dovecot.conf >> /etc/squirrelmail/config.php >> /etc/amavisd.conf >> /etc/sysconfig/network (change host name) >> In addition, there would be an MX record for mail.new.com pointing to >> the IP of the server. >> >> My question is, will this work or will I corrupt my email server? If I >> mess it up I can always restore it to the original. >> > - Maybe check /etc/hosts. > - What about the old domain ? You may not be able to receive e-mails for > it. You can think about add the new.com in parallel with old.com on the > same server. Check also your hosting name (e.g. httpd service). BTW - the MX entry can still have the old name and accepting new.com-mails. Furthermore - take care if SSL/TLS is in use. Certificates are connected to domainnames. -- LF