I'd also like to mention that I got errors with kdump(1) after compiling
mail(1) with the DEBUG flag (which my patches don't introduce as I still
get errors without applying them.)  kdump always point to lines where
calloc is used.

Perhaps, before adding features, it'd be advisable for someone with more
C experience than me to check how memory allocation is handled in
mail(1) code.  Perhaps those errors can be safely ignored, I don't know.


-- 
Walter