Theme · updated weekly

Email Deliverability — SaaS tools & trends 2026

6 products Sparkpulse tracks are shipping around email deliverability. The highest-velocity email deliverability products right now are Twilio, Litmus and SMTP2GO (ranked by Sparkpulse's velocity score). The theme runs across 4 sectors, so the momentum you see here is drawn from products competing in different corners of the market. Their velocity scores span 0.0 to 8.8 out of 10, a spread that shows how unevenly shipping cadence is distributed across the field. Below: every tracked product carrying this theme, updated from release data. Everything on this page is regenerated from verified release data, so the ranking reflects the latest changelogs rather than a static list.

Products shipping around email deliverability

#01TwilioTwilio is retiring its old serverless runtime while pushing consent and deliverability control into APIs.8.8alternatives →

#02LitmusLitmus is publishing deliverability practitioner content, not shipping product5.0alternatives →

#03SMTP2GOA blog-heavy feed masks the real signal: API upgrades for high-volume senders5.0alternatives →

#04MailjetMailjet is publishing deliverability compliance guidance, and little else.2.5alternatives →

#05Campaign MonitorCampaign Monitor layers AI assistants throughout an aging email-marketing product to keep agencies on the platform.1.3alternatives →

#06DittofeedOpen-source Braze alternative grinding through a slow alpha, now stalled0.0alternatives →

Frequently asked questions about email deliverability

Which SaaS tools ship email deliverability in 2026?

Twilio, Litmus, SMTP2GO, Mailjet, Campaign Monitor, and 1 more — the email deliverability products Sparkpulse tracks, ranked by shipping velocity from verified changelogs.

Which email deliverability product has the highest shipping velocity?

Twilio, with the top velocity score (8.8/10) — Sparkpulse's velocity score is derived from verified release data.

How many products are shipping around email deliverability?

Sparkpulse currently tracks 6 products carrying the email deliverability theme, updated continuously from verified release data.