> Suppose one of the features I have on the App I'm creating, is the > ability for users to subscribe for certain "alerts." > > 1. What would be the best way to implement this considering the > current features available on google app engine (and possibly other > free services)? > There are two issues to consider:
* Calling send_mail() takes time, don't send too many emails in one request. * If you send too many emails within a short period of time you will get a quota exceeded error, even if you don't reach your daily email quota. What I do in my app is the following: * I ping a certain URL from an external box. * The handler of that URL sends one pending email. * Wait, rinse, repeat. Time to wait (in seconds) = 24 * 60 * 60 / daily_quota. -- www.muspy.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---