[darcs-users] Tip for avoiding sendmail DNS errors (451 error)

[Trent W. Buck]

Robin Green <greenrd at greenrd.org> writes:

> For the record, the solution is to restart sendmail whenever
> /etc/resolv.conf is modified.

For Debian systems, at least, this might be automatable with an
appropriate setting in dhclient.conf, /etc/network/if-up.d or with the
package resolvconf.

Or, of course, switching to postfix/exim/msmtp :-)