DMARC policy missing or too weak
Why DMARC matters for sender trust and how to add a safe policy without breaking legitimate mail.
2 min readFix the issue, then retest.
Short, practical repair guides for authentication, links, content, blacklist warnings, and inbox-placement problems found in a Sendlander report.
Fix guides
10 resources
DKIM signature missing or failing
How to fix missing DKIM signing for the exact message path used in a placement test.
2 min read
SPF record or alignment issue
How to confirm SPF is authorizing the sender path and aligning with the visible sender identity.
2 min read
Blacklist listing detected
What to do when a domain or sending IP appears on a reputation blacklist.
2 min read
Tracking link or redirect risk
How tracking domains, redirects, and shorteners can affect report quality and inbox placement.
2 min read
Broken or unreachable links
Why broken links weaken trust signals and how to clean them before retesting.
2 min read
Image-heavy email
How to reduce image-heavy template risk without making the email unusably plain.
2 min read
Missing unsubscribe or preference link
Why unsubscribe clarity matters for bulk and outbound sending.
2 min read
Content risk signals
How to interpret spam-word, HTML, copy, and formatting warnings in a placement report.
2 min read
How to prioritize inbox placement fixes
A general guide for turning report warnings into an ordered remediation plan.
2 min read