[Dovecot] Cygwin and dovecot-auth problems

[Timo Sirainen]

On Sat, 2008-06-21 at 16:44 +0200, Blacktate wrote:
> Patch, make, replace the dovecot-auth executable, start inetd, telnet 
> localhost: just the same error ("EOF while reading..."). The error log 
> shows:
> 
> dovecot: Jun 21 15:51:53 Error: child 9904 (auth) returned error 53

Wasn't this logged before? This is the real reason why it doesn't work.
Googling Cygwin 53 exit code shows that it means it can't find some DLL.
Maybe because Dovecot drops PATH environment before calling
dovecot-auth, or maybe Cygwin needs some other environment variable?

One sure way to test that theory is the attached patch that doesn't
clear environment anywhere ever.

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