With an astonishing return of $36 for every dollar spent, the email delivery industry—responsible for sending over 361 billion messages daily—is not just growing, it's fundamentally driving global digital communication and commerce.
Key Takeaways
- In 2023, the global email marketing software market size was valued at $1.58 billion and is projected to reach $3.48 billion by 2030, growing at a CAGR of 12.0%
- The email delivery services market was estimated at $12.4 billion in 2022, expected to grow to $25.6 billion by 2032 at a CAGR of 7.5%
- U.S. email marketing spend reached $1.1 billion in 2023, up 10% from 2022
- Email open rates improved 2% in 2023 due to better personalization tech
- Average email deliverability rate across industries is 83.1% in Q4 2023
- Inbox placement rate for bulk emails averaged 94.2% for top ESPs in 2023
- Global average click-through rate (CTR): 2.8% for promotional emails in 2023
- 47% of recipients open emails based on subject line alone in 2023 surveys
- Personalized emails improve open rates by 26% and clicks by 14% in 2023 data
- Interactive AMP emails increase engagement by 52% in 2023 trials
- Top ESPs like Mailchimp handle 20 billion emails monthly in 2023
- AI-driven personalization used by 65% of ESPs, improving sends by 20% in 2023
- Phishing emails comprised 36% of total email volume in 2023
- DMARC enforcement rate reached 45.2% across domains in 2023
- GDPR fines for email non-compliance totaled €2.7 billion since 2018, peaking in 2023
The email industry is booming as strong engagement and high ROI drive major growth in software and services.
Deliverability and Performance
- Email open rates improved 2% in 2023 due to better personalization tech
- Average email deliverability rate across industries is 83.1% in Q4 2023
- Inbox placement rate for bulk emails averaged 94.2% for top ESPs in 2023
- Spam trap hits reduced by 15% industry-wide in 2023 with better list hygiene
- Gmail deliverability rate: 99.2% for authenticated senders in 2023
- Average bounce rate for marketing emails: 1.95% in 2023
- DMARC adoption improved deliverability by 25% for compliant domains in 2023
- Yahoo! Mail inbox placement: 92.8% for engaged lists in Q3 2023
- Click-to-open rate (CTOR) averaged 10.4% across 10 billion emails in 2023
- Outlook.com deliverability dipped to 88.5% due to strict filtering in 2023
- Unsubscribe rates averaged 0.42% for welcome emails in 2023
- SPF authentication failure rate dropped to 2.1% industry average in 2023
- Mobile device deliverability challenges caused 7% lower opens in 2023
- Average time to deliver transactional emails: 1.2 seconds globally in 2023
- Complaint rates under 0.1% achieved 98% inbox placement in 2023 tests
- Apple Mail privacy changes impacted open rates by 15% in 2023
- Global average unique open rate: 21.5% for e-commerce emails in 2023
- Blacklist removal time averaged 48 hours for clean IPs in 2023
- Average email open rate by industry: Retail 15.8%, Healthcare 22.3% in 2023
Deliverability and Performance Interpretation
The industry's obsession with the inbox finally paid off, with smarter tech and cleaner lists nudging deliverability higher, though Apple's privacy curtain and Outlook's stubborn filters proved that the inbox giveth, and the inbox taketh away.
Engagement and User Behavior
- Global average click-through rate (CTR): 2.8% for promotional emails in 2023
- 47% of recipients open emails based on subject line alone in 2023 surveys
- Personalized emails improve open rates by 26% and clicks by 14% in 2023 data
- Average time spent reading marketing emails: 11 seconds per user in 2023
- 60% of consumers prefer email for brand communications in 2023 polls
- Email generates 40x more new customers than social media quarterly in 2023
- Mobile users delete 72% of emails in under 3 seconds if not relevant in 2023
- Abandoned cart emails have 45.9% open rate and 10.7% CTR in 2023
- 99% of users check email daily, averaging 15 opens per day in 2023
- Welcome emails achieve 4x industry average open rates at 83.6% in 2023
- Emails sent on Tuesdays see 5% higher engagement than weekends in 2023
- 69% of consumers delete unread emails from unknown senders in 2023
- Short subject lines (under 50 chars) boost opens by 12% in 2023 tests
- Emoji in subjects increase opens by 45% for millennials in 2023 data
- Post-purchase emails have 30.6% open rates in e-commerce 2023
- B2B decision-makers spend 2.5 hours daily on email in 2023 surveys
- Re-engagement campaigns recover 10-15% of inactive subscribers in 2023
- Videos in emails boost CTR by 300% according to 2023 Litmus study
- 78% of marketers see email as top revenue driver in 2023 reports
Engagement and User Behavior Interpretation
The email world reminds us that while 99% of people check their inbox daily, your message must pass a brutal, 11-second judgment of personal relevance—because if it doesn’t, you’ll be deleted in three heartbeats and forgotten forever.
Market Size and Growth
- In 2023, the global email marketing software market size was valued at $1.58 billion and is projected to reach $3.48 billion by 2030, growing at a CAGR of 12.0%
- The email delivery services market was estimated at $12.4 billion in 2022, expected to grow to $25.6 billion by 2032 at a CAGR of 7.5%
- U.S. email marketing spend reached $1.1 billion in 2023, up 10% from 2022
- Worldwide, there are over 4.29 billion email users in 2023, representing 53.6% of the global population
- Email marketing ROI averages $36 for every $1 spent, making it the highest ROI channel
- The transactional email market is forecasted to grow from $2.1 billion in 2021 to $4.8 billion by 2028 at 12.5% CAGR
- B2B email marketing market size hit $1.2 billion in 2022, projected to $2.5 billion by 2030
- Mobile email opens accounted for 56% of total opens in 2023, driving market adaptation
- Global email volume reached 361.6 billion emails sent per day in 2023
- Email service provider (ESP) market revenue grew 15% YoY to $8.5 billion in 2023
- Asia-Pacific email delivery market is expected to grow at 11.2% CAGR from 2023-2030 due to digital adoption
- U.S. B2C email marketing expenditure was $780 million in 2023, up 8% from prior year
- Cloud-based email delivery solutions market valued at $9.2 billion in 2022, to $22.1 billion by 2030
- Email automation segment grew 18% in 2023, contributing 40% to total ESP revenues
- Europe email marketing market size $450 million in 2023, CAGR 9.8% to 2030
- Daily business emails sent globally: 293 billion in 2023
- Email contributes 4x more orders than social media in e-commerce, boosting market value
- Projected 4.73 billion email users by 2026, driving infrastructure investments
- SaaS-based ESPs captured 65% market share in 2023 with $5.2 billion revenue
- Latin America email delivery market to grow at 10.5% CAGR through 2028
- North America holds 38% of global email delivery market share in 2023, valued at $4.7 billion
Market Size and Growth Interpretation
Despite predictions of its demise, the ancient protocol of email has not only stubbornly refused to die but has instead evolved into a multi-channel, multi-billion dollar digital cockroach that can survive anything and, with a staggering return on investment, is projected to generate trillions in revenue by transforming how the entire world communicates and transacts business.
Security and Compliance
- Phishing emails comprised 36% of total email volume in 2023
- DMARC enforcement rate reached 45.2% across domains in 2023
- GDPR fines for email non-compliance totaled €2.7 billion since 2018, peaking in 2023
- 91% of cyberattacks begin with phishing emails in 2023 Verizon DBIR
- Spam emails represented 45% of total email traffic in 2023
- CAN-SPAM violation penalties averaged $43,792 per email in 2023 FTC cases
- MFA bypassed in 26% of email-based breaches via social engineering 2023
- Email encryption adoption: 68% of enterprises in 2023 compliance audits
- Bounce-back spam attacks declined 22% due to better validation in 2023
- CCPA-related email consent issues led to 15% of data breach notifications 2023
- BEC scams cost businesses $2.9 billion in 2023 FBI IC3 report
- 300,000 unique phishing sites detected daily targeting email in 2023
- BIMI implementation reduced spoofing by 30% for adopters in 2023
- CASB tools blocked 1.2 million malicious email attachments in 2023 avg
- UK PECR fines for unsolicited emails: £1.2 million in 2023 ICO actions
- Ransomware via email rose 20% to 66% of incidents in 2023 Sophos
- ARC authentication sealed 15 billion emails daily by mid-2023
Security and Compliance Interpretation
Despite making impressive technological strides, the email delivery industry's report card reads like a cautionary tale, reminding us that a staggering amount of our global inbox traffic is still a chaotic and expensive battleground where phishing scams reign supreme and compliance failures carry billion-dollar price tags.
Technology and ESPs
- Interactive AMP emails increase engagement by 52% in 2023 trials
- Top ESPs like Mailchimp handle 20 billion emails monthly in 2023
- AI-driven personalization used by 65% of ESPs, improving sends by 20% in 2023
- DKIM adoption rate among ESPs reached 92% in 2023 for authentication
- Serverless email delivery architectures scaled to 1M TPS in 2023 benchmarks
- 75% of ESPs integrated headless CMS for dynamic content in 2023
- Blockchain-based email verification piloted by 5% of providers in 2023
- Edge computing reduced email latency by 40% for global CDNs in 2023
- Machine learning spam filters achieve 99.9% accuracy in top ESPs 2023
- API-based transactional emails grew 30% YoY via SendGrid in 2023
- Zero-party data integration in 55% of ESP platforms for 2023 compliance
- Quantum-safe encryption adopted by 10% of enterprise ESPs in 2023
- 5G networks improved mobile email rendering speeds by 25% in 2023
- Open-source ESPs like Mautic saw 40% adoption growth in SMBs 2023
- Web3 decentralized email protocols tested by 2% of innovators in 2023
- Containerized microservices handle 95% of high-volume sends in 2023
- Voice-activated email assistants used by 8% of users via ESP integrations 2023
- 82% of ESPs support RSS-to-email automation in 2023 features
- Predictive send-time optimization boosted opens by 17% in ESP tests 2023
Technology and ESPs Interpretation
The email industry is undergoing a quiet revolution, where the secret sauce for cutting through the digital noise is a potent blend of AI-driven cunning, cryptographic armor, and architectural agility, all working in concert to turn your inbox from a graveyard of unread messages into a curated gallery of actually relevant content.
Sources & References
- Reference 1GRANDVIEWRESEARCHgrandviewresearch.comVisit source
- Reference 2ALLIEDMARKETRESEARCHalliedmarketresearch.comVisit source
- Reference 3STATISTAstatista.comVisit source
- Reference 4DMAdma.org.ukVisit source
- Reference 5MARKETSANDMARKETSmarketsandmarkets.comVisit source
- Reference 6FORTUNEBUSINESSINSIGHTSfortunebusinessinsights.comVisit source
- Reference 7LITMUSlitmus.comVisit source
- Reference 8IBISWORLDibisworld.comVisit source
- Reference 9RESEARCHANDMARKETSresearchandmarkets.comVisit source
- Reference 10EMARKETERemarketer.comVisit source
- Reference 11MORDORINTELLIGENCEmordorintelligence.comVisit source
- Reference 12GARTNERgartner.comVisit source
- Reference 13MARKETDATAFORECASTmarketdataforecast.comVisit source
- Reference 14RADICATIradicati.comVisit source
- Reference 15SALE CYCLEsale cycle.comVisit source
- Reference 16VERIFIEDMARKETRESEARCHverifiedmarketresearch.comVisit source
- Reference 17BUSINESSMARKETINSIGHTSbusinessmarketinsights.comVisit source
- Reference 18PRECEDENCERESEARCHprecedenceresearch.comVisit source
- Reference 19MAILCHIMPmailchimp.comVisit source
- Reference 20MAIL-TESTERmail-tester.comVisit source
- Reference 21RETURNPATHreturnpath.comVisit source
- Reference 22VALIDITYValidity.comVisit source
- Reference 23POSTMARKAPPpostmarkapp.comVisit source
- Reference 24KLAVIYOklaviyo.comVisit source
- Reference 25POWERDMARCpowerdmarc.comVisit source
- Reference 26SENDINBLUEsendinblue.comVisit source
- Reference 27CAMPAIGNMONITORcampaignmonitor.comVisit source
- Reference 28GLOCKAPPSglockapps.comVisit source
- Reference 29MAILERLITEmailerlite.comVisit source
- Reference 30DMARCIANdmarcian.comVisit source
- Reference 31EMAILONACIDemailonacid.comVisit source
- Reference 32EVERESTMARKETINGeverestmarketing.comVisit source
- Reference 33OMNISENDomnisend.comVisit source
- Reference 34TALOSINTELLIGENCEtalosintelligence.comVisit source
- Reference 35HUBSPOThubspot.comVisit source
- Reference 36SUPERHUMANsuperhuman.comVisit source
- Reference 37ABERCROMBIEabercrombie.co.ukVisit source
- Reference 38ZEROBOUNCEzerobounce.netVisit source
- Reference 39SALESFORCEsalesforce.comVisit source
- Reference 40CHATTERBUZZMEDIAchatterbuzzmedia.comVisit source
- Reference 41EMAILMONDAYemailmonday.comVisit source
- Reference 42DMARCIdmarci.comVisit source
- Reference 43GETRESPONSEgetresponse.comVisit source
- Reference 44MAILIGENmailigen.comVisit source
- Reference 45NUROMARKETINGnuromarketing.comVisit source
- Reference 46ACTIVECAMPAIGNactivecampaign.comVisit source
- Reference 47MARKETINGDIVEmarketingdive.comVisit source
- Reference 48CLOUDMARKcloudmark.comVisit source
- Reference 49AWSaws.amazon.comVisit source
- Reference 50TECHTARGETtechtarget.comVisit source
- Reference 51IBMibm.comVisit source
- Reference 52AKAMAIakamai.comVisit source
- Reference 53GOOGLEgoogle.comVisit source
- Reference 54SENDGRIDsendgrid.comVisit source
- Reference 55TEALIUMtealium.comVisit source
- Reference 56CISCOcisco.comVisit source
- Reference 57QUALCOMMqualcomm.comVisit source
- Reference 58MAUTICmautic.orgVisit source
- Reference 59SKIFFskiff.comVisit source
- Reference 60DOCKERdocker.comVisit source
- Reference 61ALEXAalexa.comVisit source
- Reference 62FEEDBLITZfeedblitz.comVisit source
- Reference 63APWGapwg.orgVisit source
- Reference 64ENFORCEMENTTRACKERenforcementtracker.comVisit source
- Reference 65VERIZONverizon.comVisit source
- Reference 66FTCftc.govVisit source
- Reference 67MICROSOFTmicrosoft.comVisit source
- Reference 68PROOFPOINTproofpoint.comVisit source
- Reference 69IMMUNIWEBimmuniweb.comVisit source
- Reference 70OAGoag.ca.govVisit source
- Reference 71IC3ic3.govVisit source
- Reference 72ZSCALERzscaler.comVisit source
- Reference 73VALIMAILvalimail.comVisit source
- Reference 74NETSKOPEnetskope.comVisit source
- Reference 75ICOico.org.ukVisit source
- Reference 76SOPHOSsophos.comVisit source
- Reference 77DATATRACKERdatatracker.ietf.orgVisit source
