Calendly Confirmation Emails Not Received
Quick answer
Confirmation emails go missing because of spam filtering on the recipient side, mistyped addresses, or Calendly delivery incidents (reported in January 2026). Check spam, allowlist Calendly, and contact support with booking times.
Most likely fix: Check spam and mark as not spam
How to fix it
Try these in order — the most common fix is first.
1. Check spam and mark as not spam
- Ask the invitee to search spam/junk for Calendly
- Mark the message as Not spam and add the sender to contacts
Did this fix it?2. Ask IT to allowlist Calendly
- For company mail servers, ask the admin to allowlist Calendly's sending addresses/IPs
Did this fix it?3. Verify the address and the booking
- Open the booking in Meetings and confirm the invitee email
- Resend or reschedule if wrong
Did this fix it?4. Contact support with details
- Send booking time and invitee email so Calendly can check deliverability
- Check the Calendly status page for incidents
Did this fix it?
Symptoms
Invitees or hosts don't receive booking confirmations, reminders or reschedule emails.
Why it happens
- Message filtered to spam or blocked by the recipient mail server
- Typo in the invitee's email
- Calendly delivery incident
- Reminders require a paid plan
This guide also covers
- calendly emails going to spam
- calendly confirmation email not received
- calendly not sending emails
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