transactionalemailservices.com

HTML metadata

Title

15+ Best Transactional Email Services in 2026 | Transactional Email Services

Description

A technical comparison of transactional email services for developers. API documentation, deliverability benchmarks, and real pricing. Sequenzy, Postmark, Resend, SendGrid, Mailgun, and more.

Language

en

Canonical

https://www.transactionalemailservices.com/

Open Graph

url

https://www.transactionalemailservices.com/

title

15+ Best Transactional Email Services in 2026

site name

Transactional Email Services

description

A technical comparison of transactional email services for developers. API documentation, deliverability benchmarks, and real pricing. Sequenzy, Postmark, Resend, SendGrid, Mailgun, and more.

Technology

CDN

Vercel

Fonts

• Google Fonts

Third-party hosts loaded (2)

• fonts.googleapis.com×2
• fonts.gstatic.com×1

Contact

Address

st Services 2026

Registration

Registrar

Name.com, Inc.

Created

2026-01-27

Expires

2027-01-27 253 days left

Updated

2026-04-27

Name servers

• ns1.vercel-dns.com
• ns2.vercel-dns.com

DNS records live

NS

• ns1.vercel-dns.com
• ns2.vercel-dns.com

TXT

• google-site-verification=7wZEhKshEO9YPloaZFSb_i7yUYY3jJfr2ThZlzNoi08

Email authentication no MX

SPF

not published

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://transactionalemailservices.com/

present

• strict-transport-security
• x-frame-options
• x-content-type-options

findings

• missing Content Security Policy
• missing Referrer Policy
• missing Permissions Policy

Links to (15)

• elasticemail.com×2
• mailchimp.com×2
• mailersend.com×2
• mailgun.com×2
• mailjet.com×2
• mailtrap.io×2
• postmarkapp.com×2
• resend.com×2
• sendgrid.com×2
• sequenzy.com×2
• socketlabs.com×2
• sparkpost.com×2
• useplunk.com×2
• amazon.com×2
• brevo.com×2

Linked from (1)

• sequenzy.com×2