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Digital FoundationsLesson 11.1

Email & Messaging

You can find an email in your inbox, open it, send a new one, and reply to one you got.

Time
~15-20 min
Type
concept
Bloom
Understand → Apply
XP
100
Concept architecture for Email & Messaging

Architecture diagram for Email & Messaging. You can find an email in your inbox, open it, send a new one, and reply to one you got.

Lesson 11.1 — concept architecture

You'll be able to

  • You can find an email in your inbox, open it, send a new one, and reply to one you got.
  • You can attach a file (like a photo or a document) and find a file someone sent you.
  • You can use CC and BCC, and explain the difference between them.
  • You can tell a real sender from a faked (spoofed) one before you click anything.
  • You can read a calendar invite and accept or decline it.

Key concepts · tap to reveal

1/13·Idea·Beat 1 · Hook

0%

Idea

01 / 13

Email is the front door key

Email is the front door key to almost everything online. When you sign up for an account, a code or a confirmation lands in your email. When you forget a password, the reset link comes by email. When an app sends you a one-time login code, it often comes by email.

So learning email well is not busywork. It is the backbone under nearly every other thing you will do online. By the end of this card you will be able to find a message, send one, attach a file, tell a real sender from a fake one, and accept a calendar invite.

Prompt Labruns here · claude

Your task  Write a prompt that asks Claude to recommend the right AI setup for a real task you're facing — then weigh its answer against this lesson, "Email & Messaging."

a strong prompt:role · context · task · format · example

⌘↵ to run

Exercise · scenario

Send yourself a test email. Click Compose, type your own address in "To," put "Test" as the subject, attach any photo with the paperclip, and click Send. Open your inbox, find the message, open the photo, then hit Reply and type "got it." You just did the five core moves: send, attach, find, open, reply.

Deliverable

Complete the hands-on task on your own device and note what you did, so the skill sticks.

Common misconceptions

  • “Reply All when you meant Reply”

    If forty people were on a message and you hit Reply All to say "thanks," all forty get it. Use plain Reply unless the whole group truly needs your answer.

  • “Trusting the display name”

    "Your Bank" in the From line proves nothing. Always check the actual address and what the message is asking for before you click.

  • “Putting a big group in CC or To”

    That hands everyone's email address to strangers. Use BCC for large lists so people's addresses stay private.

Quiz · adaptive · 5 items

Mastery check

Match each term to its definition. Pass at 80% to earn the lesson's XP and unlock the next.

Sources

  1. [1]CISA·CISA, "Recognize and Report Phishing" (Secure Our World). Urgent wording, mismatched sender address, requests for personal info, unexpect... (CP-257063) (n.d.) · Standards
  2. [2]CIS Control 9.5·CIS Control 9.5, "Implement DMARC" (SPF/DKIM/DMARC). The technical reason email senders can be spoofed and why domains use sender verific... (CP-256967) (n.d.) · Standards
  3. [3]Recognize and Report Phishing·Recognize and Report Phishing, CISA (n.d.) · Standards
  4. [4]Email Basics: Common Email Features·Email Basics: Common Email Features, GCFGlobal (n.d.) · Vendor
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