Testing Incoming Email

After all of the infrastructure blog articles the last couple of days, here now a short one for development.

When you have a dev machine and you want to test incoming email you can actually use the pickup folder in your IIS mail root folder to simulate everything after what exchange usually does for you (route the email to your SharePoint Server from outside your Server, e.g. when you write an email with your Outlook client).

So you have the pickup folder and you have the drop folder which is the one SharePoint picks up its emails via the job-email-delivery job (which runs every minute per default).

You will see that if you place a file into the pickup folder it will move quickly (in a matter of seconds) from there to the drop folder and be transformed to an eml file with a filename based on an ID.

This is the content of a text file you can use to simulate this. Take a look at the To: property. That is the email address of my list that I want the email to eventually end up in.

From:blog@yourdomain.org
To:Mailbox@dev.meiringer.com 
Subject: MySubject
This is the body of the email

So what you need to do when you are testing and you have an email queue you purge, you will want to have a folder (I call it dump) where you put your test objects you want to use as incoming emails and copy them to the pickup folder. From there you can either wait the 1 minute or if you are not as patient run the job after 3 seconds of waiting.

if ((Get-PSSnapin "Microsoft.SharePoint.PowerShell" -ErrorAction silentlyContinue) -eq $null) { Add-PSSnapin "Microsoft.SharePoint.PowerShell" }

get-childitem -Path "C:\inetpub\mailroot\Dump" -Filter *.txt | % {
    $_.FullName
    copy-item -LiteralPath $_.FullName -Destination ("C:\inetpub\mailroot\Pickup\" + $_.Name) 
}

sleep 3

$job = Get-SPTimerJob job-email-delivery;
$job.RunNow();

That pretty much does it. You now have the possibility to concentrate on your test content and let the script handle the rest. The great thing here is of course that it’s re-runnable and thus you can generate as many emails in the target list as you please.

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