Documentation
Comprehensive instructions, guides, and tutorials to help you master the SpamBull spam filter, unlocking its full potential and features.
FAQ
How to protect for impersonation, spoofing or phishing mailsHow to report messages as spam or not spam
How long are messages kept in the Delivery Queue
How to release an outgoing message from Quarantine
How to fix the error when logging in
How to fix 550 5.7.1 SPF Check Failed Error
How to check MX records with MX verification tool
What are the IP ranges
Allowlist/Blocklist
How to Allowlist an email and/or domainHow to Allowlist Incoming Sender
How to Allowlist Recipient
How to Allowlist Outgoing Sender
How to Blocklist an email and/or domain
How to Blocklist Incoming Sender
How to Blocklist Recipient
How to Blocklist Outgoing Sender
How to Allow emails based on language
How to Block emails based on language
How to Allow emails based on country or continent
How to Block emails based on country or continent
Set up for Exchange On-Premises
How to set up incoming filtering for Exchange On-PremisesHow to add domain
How to set up MX records
How to set up outgoing filtering for Exchange On-Premises
How to add domain
How to create outgoing user
How to set up smart host
How to set up SPF
How to set up DKIM
How to set up DMARC
Set up for Exchange Online
How to set up incoming filtering for Exchange OnlineHow to add domain
How to set up inbound connector
How to set up enhanced filtering for connector
How to set up MX records
How to set up outgoing filtering for Exchange Online
How to add domain
How to create authenticating domain
How to set up outbound connector
How to set up transport rule
How to set up SPF
How to set up DKIM
How to set up DMARC
