Email - Batch Email (one-to-many)


batch email are emails written once and are send to many recipient at once.

The inverse is known as a transaction email where an email is dedicated to only one recipient.



  • There are generally send one at a time to prevent sending the email to all recipient (ie CC copies)
  • And to prevent to be flagged as abuse by the receiver, they are send :
    • not all at once (spread over a period of time, throttle)
    • and/or across multiple IPs

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