-d8.7

-d8.7

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Yes/no response to -d8.5

Debug command-line switch

The -d8.7 debugging switch causes sendmail to print a yes or no response to each of the "trying" line printed by -8.5 . Yes means that the host could successfully be fully canonicalized. A yes answer prints just this:

 YES 

If the host could not be canonicalized, a more complex answer is printed:

 NO: errno=  errornum  , h_errno=  herrornum  

The errornum is the system error number (if any) from <errno.h >, and herrornum is the resolver-specific error from <netdb.h >, as shown in Table 16-7.