Email provider comparison

Best lane

App transactional

Human SMTP / PAYG txn

Journeys / multi-channel

Classic ESP marketing

High-volume AWS

Cheap multi-user

Good

Strong (Mail Agents)

Plan-dependent

Weak on free/starter

IAM (powerful, heavy)

Gmail send-as

Possible; not recommended

Recommended

N/A

Awkward / seat friction

Possible; high friction

Product API DX

Excellent

Good

Event/journey focused

OK

Low-level

Pricing shape

Free + plan steps

Credits PAYG

SaaS tiers

Seats + tiers

Per-email PAYG

IaC

DNS via Cloudflare

DNS + optional Dynamic Provider

Mostly portal / API

TF bridge possible

Native cloud IaC