Message-Id:	<200501100639.j0A6dPHe025284@delorie.com>
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From:	"David Christensen" <dpchrist AT holgerdanske DOT com>
To:	"'Cygwin List'" <cygwin AT cygwin DOT com>
Subject:	FW: Is Cygwin cron supposed to send e-mail reports?
Date:	Sun, 9 Jan 2005 22:39:31 -0800
MIME-Version:	1.0
X-IsSubscribed:	yes

I wrote:
> Test it with Windows telnet:
>
>    C:\Documents and Settings\dpchrist>telnet cloud.he.net 25
>    Connecting To cloud.he.net...Could not open connection to the host, on port
25: Connect failed
>
> So, Cygwin exim and Windows telnet both can't connect to cloud.he.net on port
> 25, yet Outlook sends mail via that host... (?)

Googling on "Could not open connection to the host, on port 25: Connect failed"
provided the hint:

http://forums.msexchange.org/ultimatebb.cgi?ubb=get_topic;f=2;t=006596


I have McAfee VirusScan Enterprise 8.0i -- it's Access Protection (firewall)
blocks outgoing connections on port 25 except for Outlook, etc..  Here's some
log entries related to my Cygwin frustrations:

    11/22/2004  9:00:33 PM  Blocked by port blocking rule  telnet.exe  P
revent mass mailing worms from sending mail  127.0.0.1

    1/9/2005  9:52:52 PM  Blocked by port blocking rule  exim-4.43-1.exe
  Prevent mass mailing worms from sending mail  65.19.145.2


Adding "telnet.exe" and "exim-4.43-1.exe" to the list of excluded processes
allows them to get out.  :-)


The last step to get Cygwin cron to send messages is to adjust /etc/aliases:

dpchrist AT p42800e:~$ vi /etc/aliases
dpchrist AT p42800e:~$ cat /etc/aliases
dpchrist: dpchrist AT holgerdanske DOT com
postmaster: dpchrist
root: dpchrist
dpchrist AT p42800e:~$ cygrunsrv --stop exim
dpchrist AT p42800e:~$ cygrunsrv --start exim
dpchrist AT p42800e:~$ runq


David


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