MX Sniff identifies well known email service providers given an email address or a domain name. Use this to find out how many users in your email database are Gmail users (via Google Apps).
To install, get it from PyPI:
$ pip install mxsniff
Or get the development branch direct from GitHub:
$ pip install https://github.com/jace/mxsniff/archive/master.zip
Command line usage:
$ mxsniff example.com gmail.com example@gmail.com https://www.google.com $ mxsniff -v example.com $ mxsniff @filename_with_list_of_domains_or_emails_or_urls $ mxsniff example@gmail.com -p your_email@example.com
Python usage:
>>> from mxsniff import mxsniff, mxbulksniff
>>> mxsniff('google.com')
>>> mxbulksniff(['example.com', 'google.com']) # Returns a generator with one result at a time