Remember MDA
Full name: Mail Delivery Agent
Memory aid: Mail is Delivered by an Agent.
Delivery to a mailbox does not mean the recipient read the message.
Study area: Protocols & logical ports · Batch 7
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Network+ N10-009 · CompTIA Security+ SY0-701 · Cisco CCNA 200-301 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
MDA — Mail Delivery Agent
Delivers accepted email into its destination mailbox or local delivery system.
Why learn MDA — Mail Delivery Agent?
Delivers accepted email into its destination mailbox or local delivery system.
Where it came from
Delivery to a mailbox does not mean the recipient read the message.
- Memory aid (a learning cue, not the expansion): Mail is Delivered by an Agent.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand MDA: Mail Delivery Agent.
- Recall this memory aid: Mail is Delivered by an Agent.
- Explain the practical use: Delivers accepted email into its destination mailbox or local delivery system.
- Explain this distinction: Delivery to a mailbox does not mean the recipient read the message.
- Identify MDA in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 5598 (www.rfc-editor.org)