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Gmail Messages

• Authorization
  • Custom OAuth Credentials
• Configuration
• Produced Tables
  • Queries
  • Messages
  • Headers
  • Parts

The Gmail Messages data source connector allows you to fetch data from your Gmail account.

Authorization

Create a new configuration of the Gmail Messages connector. Then click Authorize Account to authorize the configuration. Your inbox is accessed as read only.

Reading email messages is considered very sensitive by Google. This means that authorization may often be rejected and the app may show as blocked or not-verified. In such a case, we recommend that you use Custom OAuth Credentials. Generally using Custom OAuth credentials is the preferred authorization option, although it is more complicated.

Custom OAuth Credentials

1. Visit the Google API Console.

2. Select an existing project or create a new one. Click Enable APIs and Services.

   

3. Select the Gmail API and Enable it. You should then see it in the list of enabled APIs.

   

4. Select the Credentials section from the menu on the left, click the Create Credentials button, and select OAuth client ID.

   

5. Choose Web Application. Into Authorized redirect URIs insert:
   • https://oauth.keboola.com/authorize/keboola.ex-gmail/callback
   • or https://oauth.eu-central-1.keboola.com/authorize/keboola.ex-gmail/callback
   • or https://oauth.north-europe.azure.keboola.com/authorize/keboola.ex-gmail/callback

   Depending on which stack you are using or planning to use.

   

6. Click Create and a pop-up window will display your new client ID and client secret credentials.

7. You can now use these credentials in the Custom Authorization tab when authorizing the Google Analytics connector.

   

Configuration

Fill in the form to fit your needs.

• Query – Query to filter your messages. To speed up the extraction, be as specific as possible. For more detailed information about querying, follow Google’s Advanced Search help site.
• Headers (optional) – Headers you want to download. If no headers are specified, all headers will be downloaded.

Don’t forget to Save the configuration.

Produced Tables

Data are always imported incrementally. The data source connector produces several tables that can be joined together.

Queries

Queries and their messages; it is good to know which query a message came from.

query	messageId
from:some.address@example.com	9876cbd54bd215a6
from:another.address@example.com	1234abcd2ffdc1d6

Messages

A base table of messages:

id	threadId
9876cbd54bd215a6	1234abcd2ffdc1d6
1234abcd2ffdc1d6	1234abcd2ffdc1d6

Tip: You can group your messages to conversations with GROUP BY threadId.

Headers

All downloaded headers:

messageId	name	value
1234abcd2ffdc1d6	From	News <some.address@example.com>
1234abcd2ffdc1d6	Subject	Trending News

Parts

All downloaded message parts:

messageId	partId	mimeType	bodySize	bodyData
1234abcd2ffdc1d6	0	text/plain	26	Lorem ipsum dolor sit amet
1234abcd2ffdc1d6	1	text/html	33	<p>Lorem ipsum dolor sit amet</p>

Note: Only parts with text/plain and text/html mime types are downloaded.