Sendmail and sm-client are extremely slow at startup

A.J. Bonnema abonnema at
Wed Nov 26 01:51:39 UTC 2003

Vincent wrote:
> On Tue, 25 Nov 2003 18:05:55 +0100
> "A.J. Bonnema" <abonnema at> wrote:
>>Has anyone else experienced an exctreeeemely slow startup for sendmail 
>>and sm-client?
>>I checked the archives for this list, but couldn't find it.
>>What could I do to find out what the problem is?
> check your maillog in /var/log/ anything similar to this in there:
> ---------------------------------------------------------------------------
> Nov 17 04:02:43 Turtle sendmail[4717]: My unqualified host name (Turtle) unknown; sleeping for retry
> Nov 17 04:03:07 Turtle sendmail[4501]: unable to qualify my own domain name (Turtle) -- using short name
> Nov 17 04:03:07 Turtle sendmail[4501]: hAHC37RE004501: from=root, size=2273, class=0, nrcpts=1, msgid=<200311171203.hAHC37RE004501 at Turtle>, relay=root at localhostNov 17 04:03:07 Turtle sendmail[4501]: hAHHLS433: to=root, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=32273, relay=[] [], dsn=4.0.0, stat=Deferred: Connection refused by []
> ---------------------------------------------------------------------------
> make sure of a few things, check /etc/sysconfig/network it should have
> a line like this:
> HOSTNAME=turtle.localdomain
> check /etc/hosts for lines like this:
>       localhost.localdomain   localhost
>       turtle.localdomain      turtle
> Note the . in the hostnames, sendmail is picky about seeing a domain (aliases ok)
> Check /etc/hosts.allow if you have tcpwrappers on
> sendmail : localhost.localdomain
> By default RH configures sendmail to only accept connections from localhost
> so any changing of things throws it for a loop.
> good luck.

Thank you very much. That did it. Your precise description made it very 
clear what was wrong:

I had one entry (not containing a name without a . (no 
domain) which probably was the cause. Changing that to a " name.domain name" made sendmail and sm-client extremely 
fast in startup.

Thanks again!

A.J. Bonnema, Leiden The Netherlands,
user #328198 (Linux Counter

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