Skip to content
Skills
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
Home
/
Skills
/
Email Security
Email Security
4 practice items · needed by 1 role
Easy
2
Medium
2
Hard
0
Practice questions
Where to see SPF, DKIM and DMARC results
easy
What does SPF check?
easy
What DMARC p=none does
medium
Spot the lookalike sender domain
medium
