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📅 Week 4 · Thursday
day-22
What is Clarigital?.
Today you'll learn: what Clarigital is and why businesses pay for it — explained so clearly you could teach it to your parents by tonight.
⏱ ~20 mins
📖 Read + Quiz + Submit
✅ Need 3/5 to unlock
🔒 Thursday only
Week
Week 4 of 8
Day
22 of 56
Program
2-Month Program
📖 Read This First — About 8 Minutes
An email that goes to spam is not an email. It is a missed revenue opportunity with a cost attached.
Email deliverability — the ability to land in the inbox rather than spam — is determined by a combination of technical authentication, sender reputation, and list quality. Each factor is independently controllable, but they work as a system: excellent technical setup is undermined by a dirty list, and a clean list is undermined by missing authentication. All three must be managed simultaneously.
The practitioner must understand three technical authentication standards: SPF (Sender Policy Framework — specifies which servers are authorised to send email on behalf of the domain), DKIM (DomainKeys Identified Mail — cryptographically signs each email to prove it wasn't modified in transit), and DMARC (Domain-based Message Authentication, Reporting & Conformance — tells receiving mail servers what to do with emails that fail SPF or DKIM checks). Without all three, major email providers increasingly route messages to spam.
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Email deliverability is like postal reputation. A trusted courier with a verified ID (DKIM) from a registered address (SPF) who follows postal rules (DMARC) and delivers on time (engagement) gets packages accepted. A courier with no ID, no registered address, and a history of delivering junk mail gets packages rejected at the door. Your email's inbox placement is your courier's reputation - built over time, easy to damage, slow to rebuild.
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SPF, DKIM, DMARC
All three must be configured in DNS. Verify using MXToolbox or Google Admin Toolbox. DMARC policy: start with 'p=none' (monitor mode), progress to 'p=quarantine', then 'p=reject'.
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List Hygiene
Remove bounced emails after 1 hard bounce. Remove unengaged subscribers after 90 days (re-engagement sequence first). Never purchase email lists. Use double opt-in for high-quality signups.
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Sender Reputation
Gmail, Outlook, and Yahoo score your domain based on: open rate, spam complaint rate (target <0.1%), bounce rate (target <2%), unsubscribe rate, and engagement patterns over time.
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IP Warming
New sending IPs have no reputation. Start with 50 emails/day to most-engaged subscribers, doubling every 3-5 days. Never blast a new IP to a full list - it will trigger spam filters.
🔮 Gmail's spam threshold change (2024): Google implemented a 0.1% spam complaint rate threshold for bulk senders (>5,000 emails/day). Exceeding this threshold triggers automatic routing to spam for all emails from that domain. Monitor spam complaint rates in Google Postmaster Tools - this is now a critical metric for any high-volume email sender.
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Read the reference page below before taking the quiz.
What is the difference between a soft bounce and a hard bounce in email?
A
A: Soft bounce is a test email; hard bounce is a live email
B
B: Soft bounce is temporary (full inbox, server issue); hard bounce is permanent (address doesn't exist, domain invalid). Hard bounces must be removed immediately.
C
C: Soft bounce goes to promotions tab; hard bounce goes to spam
D
D: They are the same - both mean the email was not delivered
OK Soft bounces (temporary failures: full inbox, server temporarily unavailable) may resolve on retry. Hard bounces (permanent failures: email address doesn't exist) must be removed immediately - continuing to send to hard-bounced addresses damages sender reputation significantly.
NO Soft bounce = temporary failure (retry may succeed). Hard bounce = permanent failure (remove immediately). Sending to hard-bounced addresses destroys sender reputation.
Question 2 of 5
What does DMARC do and why is starting with 'p=none' recommended?
A
A: DMARC encrypts emails; p=none means no encryption
B
B: DMARC tells receiving servers what to do with unauthenticated emails; p=none starts in monitoring mode (collect reports without blocking) before enforcing stricter policies
C
C: DMARC prevents phishing; p=none allows all emails through
D
D: DMARC is optional for small businesses
OK DMARC policy options: p=none (monitor only - collect reports of failed authentication without rejecting mail), p=quarantine (route failing emails to spam), p=reject (block failing emails). Start with p=none for 30 days to identify legitimate email sources that might fail, then progress to quarantine and reject.
NO DMARC controls what happens to emails failing authentication checks. p=none starts in monitor mode - you receive reports without blocking mail. Essential for identifying legitimate sending sources before enforcing stricter policies.
Question 3 of 5
A company's email open rate has dropped from 28% to 12% over 3 months. What is the most likely cause and first diagnostic step?
A
A: The email subject lines became less interesting
B
B: Deliverability problem - emails likely routing to spam/promotions. Check Google Postmaster Tools for domain reputation and spam complaint rate.
C
C: The email list grew too quickly
D
D: Recipients upgraded to paid email services that filter better
OK A drop from 28% to 12% open rate is typically a deliverability signal, not a content signal. When emails go to spam or promotions tabs, open rates collapse regardless of subject line quality. Google Postmaster Tools shows domain reputation score and spam complaint rate - the two key deliverability metrics.
NO Sudden open rate drop = deliverability problem (not content). Check Google Postmaster Tools for domain reputation and spam complaint rate. Open rate drops from content quality are gradual; deliverability failures are sudden.
Question 4 of 5
What is 'IP warming' and why is it necessary for a new email platform migration?
A
A: Warming up the physical servers before sending
B
B: Gradually increasing send volume from a new IP address so receiving mail servers build a positive reputation for it before full-volume sending begins
C
C: Adding DKIM signatures to new emails
D
D: Testing email content before sending to the full list
OK New IPs have no reputation - they're invisible to receiving servers. Sending 100,000 emails immediately from a new IP looks like a spam blast. IP warming starts with small volumes (50-100/day) to your most engaged subscribers, gradually increasing over 4-6 weeks as inbox providers build positive reputation data.
NO IP warming builds reputation on a new sending IP by starting small (50-100 emails/day to highly engaged subscribers) and doubling every few days. Skipping warming = spam filtering for the entire new list.
Question 5 of 5
What is the consequence of a spam complaint rate above 0.1% for Google's 2024 bulk sender requirements?
A
A: Google charges a penalty fee
B
B: Emails from that domain are automatically routed to spam by Gmail for all recipients
C
C: Google permanently blacklists the domain
D
D: Google reduces the daily sending limit by 50%
OK Google's 2024 bulk sender policy: spam complaint rate above 0.1% triggers automatic spam routing for emails from that domain. At 0.3%, Google may block the domain entirely. Monitor spam complaint rate in Google Postmaster Tools and maintain well below the 0.1% threshold.
NO Spam complaint rate above 0.1% = automatic Gmail spam routing. This is Google's 2024 enforcement of inbox quality standards. Monitor in Postmaster Tools and maintain below 0.08% for safety margin.
–of 5
Answer all 5 questions, then check your score.
✏️ Your Task
🔒
Score 3/5 to unlock this
Complete the quiz above first. The moment you score 3 or more, this section unlocks.
🏅
🎉 Day 22 — done!
Day 23 opens Thursday.
📝 Today's Task
Someone in your family runs a small business. In 3–4 sentences, explain Clarigital to them like you're actually WhatsApp-ing them right now. Your own words — not copied from the page.
Start like this: "So there's this platform I was reading about — it's basically for businesses that get too many WhatsApp messages to handle manually. It lets them..."
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Submitting before 11 PM IST on your assigned Thursday counts as Day 22 complete.
Week 4 · Coming Tomorrow
Day 23 — Content Marketing Strategy - Building Organic TrafficOpens Thursday on your assigned date.