Which of the answers listed below refers to a deprecated TLS-based method for secure transmission of email messages?
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
SMTPS (SMTP over SSL/TLS) is a deprecated method for secure email transmission.
Correct answer(s): d. SMTPS
Exam domain: Domain 3: Security Architecture (18% weight on the official guide).
Official documentation & study links
Practice this certification
This page is one question from the CompTIA Security+ bank. Run a full timed practice exam with domain-weighted random questions in your browser.