On Wed, Mar 5, 2014 at 1:27 AM, Jai Gupta <jai.gu...@appirio.com> wrote:

> While sending emails from Google app engine to Salesforce, I am receiving
> "The API call mail.Send() was explicitly cancelled." error message.
> However, I am using "Task queues" so in next retries this error gets
> resolved. But I am just curious to know why these errors occur and what if
> it crosses the number of retries and fail to process.
>
>

Occasionally these errors occur; there's no need to worry about them as
long as they're rarely occurring. Usually they're due to transient issues
within the mail infrastructure.

If you want to try a different approach, use the SendGrid integration to
send your emails:
http://googlecloudplatform.blogspot.com/2013/07/sendgrid-gives-app-engine-developers.html.
You may find it a bit easier to resolve errors.


-----------------
-Vinny P
Technology & Media Advisor
Chicago, IL

App Engine Code Samples: http://www.learntogoogleit.com

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