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Date: Thu, 17 Sep 2015 08:59:09 -0500
Message-ID: <CA+2x6-+EAX_4fbKb8n-QdpU-7TmFT2nCvj-YJ=xTBxrcHKLnPA@mail.gmail.com>
Subject: Re: Unable to send e-Mail from crontab in Cygwin
From: Nem W Schlecht <nemws1 AT gmail DOT com>
To: cygwin AT cygwin DOT com
Content-Type: text/plain; charset=UTF-8

On Wed, Sep 16, 2015 at 12:43 PM, Shantaraman,Karthik
<k DOT shantaraman AT ufl DOT edu> wrote:
> Hi,
> I have set up cygwin in my Windows Vista machine and have configured cron by
> running the cygrunsrv command.
>
> I am trying to send an automated mail everyday with cron but it is not
> working out. Could you help me with this?
>
> #Borrowed from anacron
> SHELL=/bin/bash
> PATH=/usr/sbin:/usr/bin
> USER=karthik DOT techvs AT gmail DOT com
> MAILTO="karthik DOT techvs AT gmail DOT com"
> #End borrowed from anacron
>
> 15 10 * * * sendmail /USER=karthik DOT techvs AT gmail DOT com
> "karthik DOT techvs AT gmail DOT com" testmail
>
>
> I have installed the ssmtp package also after i researched about this
> online.
>
> But it says :
>
> $ ssmtp-config
> -bash: ssmtp-config: command not found


This is, oddly, not very easily found/well documented when you do
Google searches for 'cygwin cron sendmail'.

cron on cygwin installs a symlink to /usr/bin/cronlog as
/usr/sbin/sendmail on installation.  This is a good thing.  This
script creates a file named 'cron.log' in your home directory for any
cron command outputs.  If you look at it, you'll notice many
sendmail-like headers in the file.

To have cron actually send emails, you need to set up
/usr/sbin/sendmail as a link (or a program) to something that actually
sends mails.

I'm using msmtp, but I'm guessing ssmtp will be similar.

Steps:
1) Remove the link /usr/sbin/sendmail
2) Create a new shell script or link in its place

So:
rm /usr/sbin/sendmail
ln -s /usr/bin/msmtp /usr/sbin/sendmail

(Note - use a decent editor instead of cat ... Control-D)


I just installed 'msmtp' on a new install and ran 'msmtp-config'.  If
/usr/sbin/sendmail does *not* exist (ie, you install msmpt *before*
cron) then it will create this link for you.


Once you do all this, edit your crontab and put an entry in it like this:

* * * * * date

And reload (if you didn't do a 'crontab -e' to edit)

It may take up to 2 minutes for cron to start doing stuff, as the
minute in runs it'll load in the new crontab and then the *following*
minute, it will run 'date' and should e-mail it to.

Once you start getting e-mails, just comment this line out or delete it.


-- 
Nem W Schlecht

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