> So, the problem is hostnamebyanyaddr() assumes that _res is already
> initialized to proper values, but this is no longer true as of BIND
> 4.9.3. Here is a patch for sendmail 8.6.9 which changes
> hostnamebyanyaddr() to make sure res_init() has been called before using
> _res.retry.
Submitted by: Matt Day <mday@artisoft.com> via Terry Lambert
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