Inside Boost Your Email is researched data from over 20 subject matter experts

adestra

• «And the best subject line ever is...»

American Marketing Association – Madison

• «Email Tips You Need to Know to Get Ahead in 2021»

AuthIndicators Working Group (BIMI Group)

• «Brand Indicators for Message Identification»

Chase Diamond

• «Weekly Email Marketing Newsletter (01/2022)»

Content Marketing Institute

• «10 Best Practices to Write the Perfect Email Subject Line»

Convince & Convert

• «13 Email Marketing Statistics That Are Shaping 2019 and Beyond»

Email Uplers

• «The Key to Enhanced Email Engagement»

EmailToolTester

• «Email Marketing Statistics – Everything You Need to Know»

Emarsys

• «Writing a good subject line»

HubSpot

• «The Best Time to Send an Email [Research]»

IPQualityScore

• «IPQS Malicious URL Scanner API»

KumoHQ Software Services LLP

• «The Best Time to Send Email: Secret Hours That Double Your Open Rates»

Learn Inbound

• «7 Email Myths It's Time to Stop Following» (archived)

Litmus

• «5 Tips for Creating Great Onboarding Emails»
• «2021 State of Email Engagement [Gated Content]»
• «The Ultimate Guide to Preview Text»

Moosend

• «26 Email Marketing Best Practices That Drive Results»
• «Email Benchmarks For Different Industries»

NN/g

• «Emojis in Email Subject Lines: Advantage or Impediment? 👍 👎»

ReturnPath

• «The Art and Science of Effective Subject Lines»

Sender

• «Best Time to Send Emails in 2021: By Email Type»

Sendinblue

• «Which Email Sender Name Best Practices Fit Your Brand?»

Statista

• «Number of e-mail users worldwide 2017-2025»