Sendmail sleeping during boot.

[Erik P. Olsen]

Alexander Dalloz skrev:
> Erik P. Olsen schrieb:
> 
>> Thanks, so FQDN means that there MUST always be at least one dot in 
>> the hostname. What if I use epo.dk, which is a public domain owned by 
>> me, instead of your example olsen.intra? Does that cause any conflict?
> 
> To your first question: that a FQDN has at least one dot is a result of 
> its definition. Chris already gave a link. In addition
> 
> http://www.unix.org.ua/orelly/networking/sendmail/ch21_02.htm
> 
> If you use a valid, because public resolvable domain name there is 
> always the risk that as effect a service request - here mail routing - 
> goes a different route than you would expect and want to. I mean, if the 
> resolvable domain name has DNS records poiting to different locations. 
> To be specific: Sendmail does MX lookups and a query for your "epo.dk" 
> domain gives a valid result:
> 
> $ host -t mx epo.dk
> epo.dk mail is handled by 10 webhotel3.webhosting.dk.
> 
> Sure, you can try to avoid such pitfalls by doing specific setup 
> "tricks". But isn't it easier to simply use a namespace for your LAN 
> where there is no risk it would be resolvable for any public meaning?
> 
Yes, I agree and I think I have it all straight now.

And thanks to everybody who has participated in helping me out.

-- 
Erik P. Olsen, Civilingeniør, MSc
Solsortvej 30, DK-2000 Frederiksberg, Denmark
Phone: +45 38346480, Fax: +45 38346470, Mobil: +45 40765300