sendmail 8.14 has a serious memory corruption bug in it

Claus Assmann dragonfly-kernel at
Mon Feb 18 22:41:59 PST 2008

On Mon, Feb 18, 2008, Matthew Dillon wrote:

>     I have reported the bug to the sendmail folks.

And I tried to reply:

A mail from you could not be delivered. See below for details.

<dillon at>
550 5.0.0 You cannot send email directly from a DSL or CABLEMODEM or other mass-media host, you must
instead relay it through your ISP's mail host.  Sorry, there is too much spam coming from customers
of your ISP and your ISP is not doing a good job of stopping it.  If you are a legitimate mail
domain you must have a correctly configured reverse DNS.

The website states from which IP address a reply will
most likely come (yes, it's static, no, PacBell won't delegate
reverse DNS).

PS: thanks for the patch, it will be in 8.14.3.

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