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Issue
User is receiving an error message: "You've reached a limit for sending mail. Your message did not send."
Environment
Information
Gmail enforces various sending limits to prevent spam and abuse. For detailed information on specific limits, see https://support.google.com/a/answer/166852.
Once a user has reached the sending limit, they will need to wait 24 hours. This restriction cannot be lifted or bypassed.
Resolution
If a user regularly reaches these limits, they should consider using Element451, rather than Gmail, for mass communications.