When sending mass mails through IONOS mail servers, limits apply to prevent abuse (SPAM). Depending on your product, the following limits apply:
The waiting periods for the maximum possible number of recipients refer to the date on which the first email account was created in the contract.
Maximum number of recipients per email:
|Mail Basic||200 including CC and BCC|
|Mail Business||200 including CC and BCC|
Microsoft Exchange 2013 can send a maximum of 10 emails per minute, regardless of the age of the contract.
Maximum number of recipients per day when sending via Outlook/Active Sync:
|Age of the contract||Microsoft Exchange 2019|
|0 - 7 days||1,500 recipients per day|
|8 - 14 days||3,000 recipients per day|
|15 - 30 days||12,000 recipients per day|
|> 30 days||16,000 recipients per day|
Microsoft Exchange 2013 can send emails to a maximum of 1,000 recipients per day, regardless of the age of the contract.
Maximum number of recipients per email sent:
|Microsoft Exchange 2013||500 including CC and BCC (contact/mailing lists are counted as 1 recipient)|
|Microsoft Exchange 2019||500 including CC and BCC (contact/mailing lists are counted as 1 recipient)|
|Emails per day||2,000|
|Automatic forwarding of emails||10,000|
|Email filter for automatic forwarding||20|
|Recipients per email||2,000|
|Recipients per message via SMTP (POP/IMAP users) or the Gmail API||100|
|Recipients per day||10,000|
|External recipients per day||3,000|
|Individual recipients per day||3,000|