>From Dan Bernstein's site for tcpserver (http://cr.yp.to/ucspi-tcp/tcpserver.html ):
-l localname: Do not look up the local host name in DNS; use localname for the
environment variable $TCPLOCALHOST. A common choice for localname is 0.
>
> 'man tcpserver' says:
>
> -llocalname
> Do not look up the local host name; use localname
> for TCPLOCALHOST.
>
> This means that, simply, instead of making a DNS lookup for
> setting the
> TCPLOCALHOST variable with the name of the localhost,
> tcpserver trust what
> you're declaring with -l (so '0' or whatever you put is the
> same for him)
> and saves time.
>
> I prefer to declare the exact name instead of '0'.
>
> Tonino
>
>
> At 10/05/2001 10/05/2001 -0400, Ed Henderson wrote:
> >The correct form for "-l" parameter is "-l 0" not an actual
> hostname. I
> >added the following to both my pop3 and smtpd tcpservers: -l 0 -R -H
> >These switches are the ones most commonly recommended in the FAQ and
> >significantly sped up pop3 for me.
> >
> > > -----Original Message-----
> > > From: Tonix [mailto:[EMAIL PROTECTED]]
> > > Sent: Thursday, May 10, 2001 4:08 AM
> > > To: [EMAIL PROTECTED]
> > > Cc: [EMAIL PROTECTED]
> > > Subject: Re: Virtual Domains
> > >
> > >
> > > Hi Nathan,
> > >
> > > I had the same problem. I have a similar situation, and my
> > > system handles
> > > DNS by himself.
> > >
> > > Although I may swear about the functionality and setup of my
> > > DNS, I had to
> > > force the
> > >
> > > -l <name.of.my.system>
> > >
> > > parameter in the tcpserver line. Having this, tcpserver assume
> > > <name.of.my.system> to be the name of the answering computer
> > > and avoid to
> > > make an extra call to DNS (that's the call that slowered all
> > > for me, don't
> > > ask me why).
> > >
> > > Hope this help.
> > >
> > > Tonino
> > >
> > >
> > > At 10/05/2001 10/05/2001 +1000, you wrote:
> > > >G'Day All,
> > > >
> > > >I have a question about the speed of my qmail server.
> > > >
> > > >I look after 2 mail servers, 1 for the company and i
> help an isp run
> > > >the other. The company one has 1.03 qmail plain stock standard
> > > >and when you pop in and smtp in it reacts almost instantly. Works
> > > >fine.
> > > >
> > > >However we are not finding the same thing on the isp mail server.
> > > >There are about 20 virtual domains and poping in and smtp in is
> > > >starting to get slower and slower and even sometime time out.
> > > >Versions are :
> > > >qmail 1.03
> > > >vpopmail 3.4.11-1.released
> > > >qmailadmin 0.26e
> > > >
> > > >Each domain has their own ip which reverse resolves to their own
> > > >mail.domain.com
> > > >
> > > >We house all dns entries for their domains and reverses.
> > > >
> > > >What we get is that sometimes a customer of the virtual domain
> > > >will get a timeout while trying to check his email via pop3. We
> > > >have increased the timeouts on some of the pc's but really was
> > > >wondering is it because we are scaling more and more virtual
> > > >domains ? What should i be looking for ? Is it perhaps a known
> > > >bug and its fixed in a newer version ? PC is running at load
> > > >average of 0.00 and 98.6% idle. Its a P3 800 or something with
> > > >256Mb of memory....
> > > >
> > > >Thanks in Advance
> > > >Nathan
> > >
>
