36% -- email response rate relative lift for emails with thankful closings vs other sign-offs (2018)

Name: Email Response Rate Relative Lift Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-17

2018 · Boomerang

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Attribution: Boomerang View source

Lighthouse Research Team

Last verified: 2026-09-17 · How we verify data →

Source verified Evidence graded

Value

36%

Unit

Percentage

Data Vintage

2018

Entity

emails with thankful closings vs other sign-offs

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Boomerang Primary Tier B

https://movingtargets.com/blog/business-marketing/email-sign-offs-sabotaging-outreach/ ↗

Confidence: 53/100 Vintage: 2018 Channel: Deep Crawl

Source Article

Are your email sign-offs sabotaging your outreach?

Recovering from a bad first impression is nearly impossible — and, if you’re connecting with prospects or vendors via email, you may be setting yourself up to fail. In fact, a cringe-worthy sign-off can wreck an otherwise perfectly crafted email. A recent study from email software provider Boomerang…

Original Research

Boomerang · Original study ↗

Methodology

Boomerang analysis comparing thankful closings to other popular closings

Methodology documented

Segmentation

IndustryB2B Company SizeAll sizes RoleAll marketers Channelemail

Cite this stat

Plain Text

emails with thankful closings vs other sign-offs: 36% email response rate relative lift. Source: Boomerang (2018). Via Lighthouse Intelligence -- https://lighthousedata.io/data/thankful-closing-relative-lift-36

HTML Embed

<blockquote cite="https://lighthousedata.io/data/thankful-closing-relative-lift-36" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>36%</strong> -- email response rate relative lift for emails with thankful closings vs other sign-offs<br><small>Source: Boomerang (2018) · <a href="https://lighthousedata.io/data/thankful-closing-relative-lift-36" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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