Why does the /send endpoint take so long to execute?

Chris Aylott
Chris Aylott

We deliver email to the providers SMTP server, we do NOT SEND email. When we deliver email the time for /send to complete is dependant on:

  • Attachments, these are uploaded.
  • Providers sender AV / SPAM checks

If a providers response is longer than others, please contact the providers mail administrator.

Once we receive a 200 response from the provider this means it has been delivered, not sent / received by the recipient.


Consider using the Outbox endpoint to handle email delivery, this will return a 200 immediately.


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