If you are a system administrator, download MailKeker.py tonight and run it against your own domain. The results may be alarming. If you see that your server silently confirms the existence of every rcpt to , you have work to do. If you are an attacker, be warned: modern email security gateways (M365 Defender, Proofpoint, Mimecast) utilize machine learning to detect the specific fingerprint of RCPT TO enumeration scripts like this.
# The critical check code, message = server.rcpt(email_to_check) # RCPT TO MailKeker.py
or a link to where the file is hosted, I can analyze its instructions and generate a detailed technical overview for you. If you are a system administrator, download MailKeker
: Let a script do the heavy lifting while you provide the final human touch. Setting the Foundation To build a tool like MailKeker, you primarily need the google-api-python-client for Gmail or the built-in for other providers. Authentication : If using Google, you must set up a project in the Google Cloud Console and download your credentials.json Structuring the Script The Message email.message.EmailMessage class to define your "To," "Subject," and body content. The Action : Instead of calling , you will use the .drafts().create() Sample Code Snippet If you are an attacker, be warned: modern
is a specialized Python-based utility often associated with automated email testing or large-scale notification delivery. It is frequently categorized within "stress testing" or "email automation" script collections. Core Overview MailKeker.py