If you forward email addresses from your domain to another mailbox (e.g. Gmail, Outlook, GMX), messages may arrive late, end up in the spam folder, or not be delivered at all. The following steps will help you quickly identify the cause.
1. Quick Checks
- Forwarding active? Make sure the email forwarding is set up correctly and is active. You can find active forwardings in the Dashboard under Email → Email Forwarding.
- Check spam and other folders: In the destination mailbox, look in Spam/Junk as well as rule/filter folders to see if the email was sorted there.
- Whitelist the sender: Add the forwarding address (alias) as a contact in the destination mailbox or place it on the safelist/whitelist/allowlist so that forwarded emails are not flagged as spam.
- Test correctly: Do not send test emails from the same address that the emails are being forwarded to (sender and recipient must not be identical) – some providers block this.
- Cross-check with a second mailbox: If you have another email account, test forwarding there. If it works, the issue is likely with the original destination mailbox.
2. Final Checklist (2 Minutes)
- Destination mailbox not full
- Spam/filter folders checked
- Forwarding active and no loop
- Test email sent from a different email address than the recipient address