If your emails are failing to send from DeltaWMS or TaskCentre, this may be caused by SpamHaus blocking the Access-hosted server. This article explains how to resolve the issue.

SpamHaus is an email security service that monitors and blocks IP addresses suspected of sending spam. Occasionally, shared hosting environments may be flagged, affecting legitimate email delivery.

To resolve this issue, you need to raise a support case so our team can investigate and address the block with SpamHaus.