DNS or sendmail problem: wrong domain name in delivery

[Schaefer, Paul A]

Sendmail complains a lot if your fully-articulated host name is not in your
hosts file.

> 
> It's not a DNS problem - I don't think it's really a sendmail problem
> either.
> 
> I'm guessing you're using Pine - you need to inform it of the 
> contents you
> want after hte @ in the email address - have a dig through 
> the settings.
> 
> -----Original Message-----
> From: Daniel Ludin [mailto:ludin at swissonline.ch]
> Sent: 04 January 2001 13:30
> To: BIND Users Mailing List
> Subject: DNS or sendmail problem: wrong domain name in delivery
> 
> 
> Hi,
> 
> I have this problem with sendmail and/or DNS:
> 
> I can send mail to my domain, but when I send a message FROM 
> there,  the
> mail is returned with:
> 
>    Domain of sender address dani at xhost does not exist.
>    Data format error 501
> 
> (I composed and sent the mail via the webmin sendmail 
> interface, in case it
> matters).
> 
> 
> Why does sendmail create an address with the machine name 
> ("dani at xhost")
> instead of the domain ("dani at cybertoolz.ch") ????
> 
> 
> Some documentation say about this error:
> 
> 501 Sender domain must exist
> These error replies are issued if the envelope sender address 
> references a
> DNS domain, for which no A or MX record can be found.
> 
> But when I do a nslookup, I get the MX record correctly (or am I wrong
> here?) :
> 
>    [xhost:~] dani% nslookup -type=MX cybertoolz.ch
>    Server:  cybertoolz.ch
>    Address:  212.254.208.245
> 
>    cybertoolz.ch   preference = 20, mail exchanger = 
> mail.cybertoolz.ch
>    cybertoolz.ch   nameserver = xhost.cybertoolz.ch
>    cybertoolz.ch   nameserver = ns.swisshosting.net
>    mail.cybertoolz.ch      internet address = 212.254.208.245
>    xhost.cybertoolz.ch     internet address = 212.254.208.245
>    ns.swisshosting.net     internet address = 212.254.208.100
> 
> 
> Can somebody please tell me if this DNS configuration is 
> supposed work - or
> did I miss something else in the sendmail configuration?
> 
> Dani Ludin
> 
> 
> 
> 
> 
>