Authentication and infrastructure
- How to group existing subscriptions in the Return Path Universal Feedback Loop (uFBL)
- Connection and Throughput Guide (PDF)
- Why is a subscriber ID needed for complaint processing?
- What is a subscriber ID for complaint processing and how do I implement one?
- What is authentication?
- What is Sender Policy Framework (SPF)?
- How to interpret SPF authentication verification results
- Why is Sender Policy Framework (SPF) not effective in blocking domain spoofing without the implementation of other authentication standards?
- Troubleshooting SPF failures (with Kitterman's SPF Query tool)
- Common SPF record syntax errors
- Do all domains need a Sender Policy Framework (SPF) record?
- Should Sender Policy Framework (SPF) be added as a TXT type record or an SPF type record?
- What should I know about the SPF record string character limit?
- What is the difference between SenderID and SPF?
- Including IP addresses in your SPF record
- Are SenderID records still being validated?
- What is DomainKeys Identified Mail (DKIM)?
- DKIM signing and verification overview
- DKIM DNS record overview
- How to set up DKIM
- How many bits should DomainKeys Identified Mail (DKIM) keys be?
- DKIM signature header detail
- Troubleshooting DKIM
- How to generate DKIM keys
- How are DomainKeys Identified Mail (DKIM) and DomainKeys different?
- What is DomainKeys?
- What is Domain-based Message Authentication Reporting and Conformance (DMARC)?
- How to set up a DMARC record
- How can I lookup my DMARC record?
- Can I implement DMARC even though I do not sign messages with DKIM?