Hello Matus UHLAR - fantomas, Am 2010-11-09 15:22:58, hacktest Du folgendes herunter: > Since there's fallback to "A" record defined in RFC, there is no way to > indicate that an existing host is accepting mail. Mail from A host is > accepted, and mail for such host is sitting in the queue until it times out.
Not right, because courier-mta tell the sender that it does not accept
mail.
> That is why some admins want to have way to indicate this kind of mail
> should not be generated not accepted.
Maybe they should read the courier documentation?
> Have you never seen mail destined to a host with A record that does
> not accept mail?
Yes, my VServers. Why should a VServer which host only Websites (in my
case arround 800 sites per VServer) accept messages?
The websites have MX records which point to <mail.tamay-dogan.net> and
the VServers runing courier use the MTA only to send status messages or
for Web-Forms.
Oh, before I switched to courier-mta on the VServers I used ssmtp which
mean, the MTA does never respond to a SMTP request.
Oh there is another thing:
I have tried the "."in the MX record and the Syntax check for
the zonefiles give a bunch of errors and it seems, that the
"." break DNSSEC at least for bind9 in Debian Lenny/Squeeze.
Thanks, Greetings and nice Day/Evening
Michelle Konzack
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