Jakub Wojtanowski wrote: > Today I have changed my DSL modem and problems with postfix begun. It > receives mail, but cannot send any. In logs I can read > > Jun 22 19:39:53 server postfix/smtp[5040]: 9A51711FF85: > to@? ??F?Q?Pn? ??, relay=none, delay=12840, status=deferred (Host or > domain name not found. Name service error for name=somedomain.com type=MX: > Host not found, try again) > > My resolv.conf is proper. I can ping any server, but postfix cannot see > them. > What can I do ? > Postfix 2.1.5 Running in a chroot jail? Make sure you also edit the resolv.conf in the chroot jail.