Comparison

Veil Mail vs Mailgun

Veil Mail is a modern alternative to Mailgun built around a developer-first API — with PII protection, CASL compliance, marketing campaigns, and automation that Mailgun does not offer out of the box.

TL;DR

Mailgun is a solid transactional email provider with strong deliverability. Veil Mail matches Mailgun on transactional sending and SMTP, and adds a full marketing stack: campaigns, A/B testing, automation sequences, React Email support, subscription topics, and built-in PII scanning. Choose Mailgun if you only need raw transactional delivery and already trust its deliverability history. Choose Veil Mail if you want transactional + marketing in one modern platform with compliance baked in.

Side-by-side: sending an email

Mailgun

mailgun.ts
import formData from 'form-data'
import Mailgun from 'mailgun.js'

const mailgun = new Mailgun(formData)
const mg = mailgun.client({ username: 'api', key: process.env.MAILGUN_API_KEY! })

await mg.messages.create('yourdomain.com', {
  from: 'hello@yourdomain.com',
  to: 'user@example.com',
  subject: 'Welcome!',
  html: '<h1>Welcome</h1>',
})

Veil Mail

veilmail.ts
import { VeilMail } from '@resonia/veilmail-sdk'

const client = new VeilMail('veil_live_xxxxx')

await client.emails.send({
  from: 'hello@yourdomain.com',
  to: 'user@example.com',
  subject: 'Welcome!',
  html: '<h1>Welcome</h1>',
})

Feature comparison

FeatureVeil MailMailgunNotes
Transactional email API
Marketing campaignsLimited
A/B testing
Automation sequences
React Email support
Email validationIncludedExtra cost
Automatic PII scanningUnique to Veil Mail
CASL consent trackingUnique to Veil Mail
Subscription topics
RSS-to-email feeds
MCP server for Claude/Cursor
SDK languages125
API key scopes19 scopesBasic
Inbound email parsing
SMTP relay

What Veil Mail offers that Mailgundoesn't

  • Full marketing stack. Campaigns with A/B testing, automation sequences, segmentation, and subscription topics. Mailgun is primarily transactional with limited marketing features.
  • Automatic PII protection. Every outgoing email is scanned for SSNs, credit cards, medical records, and other sensitive data before delivery.
  • CASL & GDPR compliance. Built-in consent tracking with expiry management, subscription topics, and compliant unsubscribe pages.
  • React Email adapter. Mailgun has no React Email integration. Veil Mail ships an official adapter.
  • Email validation included. Mailgun charges extra for list validation. Veil Mail includes it at no additional cost.
  • Modern SDK surface. A simple, typed REST client across 12 languages. Mailgun's Node SDK still requires manual form-data wrapping.

Where Mailgun leads

We believe in honest comparisons. Mailgun currently has the edge in a few areas:

  • Deliverability track record. Mailgun has been in market longer and has established IP reputation.
  • Email analytics depth. Mailgun has mature per-provider delivery diagnostics.

Ready to migrate from Mailgun?

Follow our step-by-step guide. Most teams finish the migration in under an hour.

Frequently asked questions

Is Veil Mail a good alternative to Mailgun?

Yes, especially for teams that need both transactional and marketing email. Veil Mail matches Mailgun on transactional sending and SMTP, and adds campaigns, automation, subscription topics, PII scanning, and CASL compliance that Mailgun does not offer.

How do I migrate from Mailgun to Veil Mail?

Replace the mailgun.js package with @resonia/veilmail-sdk and switch from the form-data-based API to Veil Mail's JSON REST client. Domains, webhooks, and inbound routes map cleanly. See the full migration guide at veilmail.xyz/docs/guides/migrate-mailgun.

Does Veil Mail support SMTP relay like Mailgun?

Yes. Veil Mail offers SMTP relay with credential management, so applications using SMTP can point to Veil Mail without code changes.

Does Veil Mail support inbound email routing?

Yes. Veil Mail supports inbound email parsing with rule-based routing and webhook forwarding, equivalent to Mailgun routes.