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I built an IMAP client using this library:

Gmail IMAP and SMTP using OAuth - Libraries and Samples http://code.google.com/apis/gmail/oauth/code.html

I need to search all the emails in the Inbox and return only those emails matching with my "subject" and which are sent in last 24hrs. Once i have that email i want to read the body and do some processing. I was able to do all of this using above library but when i deploy this code on GAE it fails with with "Security violation" as my code is trying to set some of the following system properties:

props.put("mail.imaps.sasl.enable", "true");
props.put("mail.imaps.sasl.mechanisms", "XOAUTH");
props.put(XoauthSaslClientFactory.OAUTH_TOKEN_PROP, oauthToken);

What are my other alternatives to achieve this task? Few people were talking about RSS feed. Can we achieve what i am looking for using this technique? Any inputs will be appreciated.

Thank You.

Prashant Jha
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skusunam
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  • Can you add the error stack? If you are looking for an Oauth2 based implementation- https://code.google.com/p/google-mail-oauth2-tools/source/browse/trunk/java/com/google/code/samples/oauth2/?r=10 – saket Aug 19 '13 at 12:07

3 Answers3

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I've heard that ContextIO is providing APIs to access GMAIL account. I've tested to get all contacts, emails, files, email's body successfully. The APIs are quite easy to use. You need some steps to obtain ContextIO's Consumer Keys.

They's also providing an API to fetch mails from Google App Engine. Currently, I'm working to bring a demo and hopefully will update this answer soon. However, it's very straight forward and interesting to do :)

App Engine Blogs
Context IO's site

Hope it helps

Cuong Thai
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Google App Engine only allows http/s communication thru the urlfetch API.
IMAP cannot be used on the production servers.
You can try using urlfetch using GMail built in RSS feed (https://USERNAME%3aPASSWORD@gmail.google.com/gmail/feed/atom).

Shay Erlichmen
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  • Shay, Thanks a lot for the response. This RSS feed gives minimal information about emails i am looking for. How can i access contents of the specific email, as tag gives only few words (1 line or so). – skusunam Feb 25 '12 at 23:48
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You can use Google Apps script to access your inbox and send the result to App Engine. http://code.google.com/googleapps/appsscript/service_gmail.html F.I. I use Apps Script with Google Spreadsheets to make reports, based on data in GAE, using a hmac signature to authenticate.

voscausa
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