On Sun, August 19, 2007 12:19 pm, James G. Sack (jim) wrote: > Gregory K. Ruiz-Ade wrote: >> On Aug 19, 2007, at 8:53 AM, Lan Barnes wrote: >> >>> OK, I replaced sendmail w/ postfix because sendmail was taking minutes >>> to >>> load on boot. But now when I restart postfix it takes just as long, >>> indicating that the fault is in some basic configuration, like maybe >>> the >>> dreaded reverse lookup DNS issue (I'm just waving my hands here -- I >>> have >>> no idea what I just said). >> >> Well, make sure that myhostname and mydomainname are set to what you >> want them to be (instead of relying upon postfix to figure it out, which >> can be problematic on a mobile system that might not always have an IP >> address. > > Confirming (my recollection) that MTAs spend a lot of time looking for a > fully qualified name upon startup. In old days, sendmail would hang for > 5 minutes (or more?). > > The FQ part is perhaps surprising. Be sure you _have_ a fullname. Try > hostname > hostname -s > hostname -f > > Perhaps GKRA can correct me but I seem to remember that a domain name > without a suffix also causes a problem. > > Note that the domain doesn't need to be public or real -- it just has to > be syntactically correct. I use sack-net.pvt. So I get > hostname -f > jgs.sack-net.pvt > >> >> Also, RH-based systems tend to put the hostname in /etc/hosts as an >> alias for localhost. If it's not there you might want to try putting it >> there. >> >> Also, check your syslog, and see if anything is being reported there >> during postfix startup. >> >> If you stop postfix once your system is running, and start it manually, >> do you get the same delay? > > Regards, > ..jim > >
Gus has implied that I don't need it at all. Is this true? -- Lan Barnes SCM Analyst Linux Guy Tcl/Tk Enthusiast Biodiesel Brewer -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
