On Thu, 18 Sep 2003 08:24:40 -0400 (EDT) Todd Vierling <tv@duh.org> wrote:
: > ...and for heavens sake, stop accepting any kind of request at all on port : > 25!! Just shut it down altogether. There is no reason for you to accept : > any connection of any kind on port 25!
: If they don't accept anything on port 25, either by sending all packets : to /dev/null or by responding with SYN+RST ("Connection refused"), MTAs : everywhere will consider this a "temporary error."
Then the wildcard should have included a MX that points to nowhere, rather than implementing a fake MTA that allows the MAIL FROM and RCPT TO addresses to be transmitted. The record "IN MX 0 ." is commonly used for this purpose.
Yeah, thanks for pointing this out. T'was an accidental omission in my mail.