Karl Pielorz wrote:
[...]
Or, secondly - as was cleverly suggested to me a while ago - setup a 3rd
MX that has a IN A PTR to your primary MX, and make it the highest
priority...
e.g.
mx0.mydomain.com PRI 20
mx1.mydomain.com PRI 30
mx2.mydomain.com PRI 40 (Which is really just a diff
--On 23 June 2003 08:48 -0600 Brett Glass <[EMAIL PROTECTED]> wrote:
[snip]
The secondary mail exchanger tries to send the message on to its
destination, but the mail is bounced by the primary mail host (either as
spam or because it has been sent to an invalid address). So, the
secondary dutifu
In the last episode (Jun 23), Brett Glass said:
> Here's more detail. A spammer sends to a nonexistent address in a
> domain for which the host is a secondary mail exchanger. Many
> spammers' software is actually set up to use secondary mail
> exchangers rather than primaries, because they're less
We have a FreeBSD machine, running Sendmail, that's set up as a secondary
MX for several domains.
Lately, as the tide of spam continues to increase, this machine is
sending large volumes of messages to "Postmaster", and this is
interfering with normal monitoring of the server.
Here's more deta
