Sending Limitations

SENDING LIMITATIONS

Please note the sending rules applied on our SHEX platforms (Microsoft Exchange 2019):

  • Maximum number of recipients per email: 1000

  • Maximum number of recipients a user can send to within a 24-hour period: 2000
    (an NDR will be received if this limit is exceeded)

  • Maximum number of emails sent to invalid recipient addresses: 50
    (an NDR will be received if this limit is exceeded)

  • Maximum number of messages a user can send per minute: 50

  • Maximum email size (body + attachments): < 50 MB


A cleanup of the affected user’s contacts must be performed to avoid this type of blockage from occurring again.


Please ensure that best practices are followed when performing mass mailing campaigns:


A company that does not comply with these rules may face criminal penalties and fines of 750 euros per message sent.

If a mailbox becomes blocked, we receive an alert email notification.


GDPR in Practice: Master Your Customer Relationship

If you are prospecting new customers, many tools allow you to contact people who are not yet your customers in order to grow your business. Specific rules apply and must be respected.

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