Learn more about email headers and find answers to frequently asked questions about email headers.
Open DNS Resolvers & Open Portmappers
Learn more about Open DNS Resolvers and Open Portmappers.
Learn how we filter mail and what are the limits.
How To Report Abuse
Learn how to report abuse to Heficed Abuse desk correctly.
The Abuse Contact Changing in Organization’s Details
Learn how to change organization's abuse contact at Heficed.
Learn how to deal with abuse notifications.
If you need any further help, don't hesitate to send a support request to our support team.