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use of SMTP_AUTH in checkpassword.c


I'm confused about part of your patch to checkpassword.c. Toward the end of the
file, you have this:

#ifndef SMTP_AUTH
  for (i = 0;i < sizeof(up);++i) up[i] = 0;

Why put that line inside the #ifndef? It appears to me that the purpose of that
line is to zero out the temporary memory block to avoid a security hole by
direct local memory access. Why do you only have it set to run when SMTP_AUTH
is not defined?

Alex Howansky
Wankwood Associates