Hello,
I seem to miss something here. Pointers will be appreciated.
When I set up my PC I gave it the name oleg.home.pc (which it is,
my home PC, connecting occasionally by dialup ppp, with dynamic IP).
Now from increasingly many servers I get a message (when trying to
send mail) "stat: Deferred: 451 <[EMAIL PROTECTED]>... Domain must
resolve." So I have to go hack the qf files in /var/spool/mqueue,
replacing the domain in the S<>-line by anything resolvable; and
anything indeed goes, I tried "whitehouse.gov" once, and it passed.
My first try to ask about this here seemingly passed, but
never appeared in the digest (could it be related to this same
problem?)
So my questions are:
1. What can be done about this? Are there sendmail/whatever options
that allow me to pretend I am sending from a "valid" domain, or do I
have to set my home box domainname to the one I am supposedly in?
(Seems to generate risk of name collisions. There may already be some
DNS-registered oleg in this domain. Or may appear tomorrow.)
2. (off-topic) What is the point of this domain checking?
Given that a simple hack of qf-files (easily automated, too) satisfies
the check, this does not seem to add much security/spam protection...
Best wishes,
Oleg (at his home.pc)
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