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Alternatives Comparison

When to Use

Use this at project start (greenfield decision) or when reviewing an existing setup that's hitting Mailgun limits, deliverability issues, or pricing pressure.

Decision

Provider Drupal contrib 2026 free tier Strength Weakness
Mailgun drupal/mailgun 2.1.0 (mature) + Symfony bridge 100/day; authorized-recipients-only without CC, unrestricted with CC on file Developer-first API, EU region, native SPF alignment, Auto Sender Security DKIM rotation "Minimally maintained" module status; Free tier requires CC for real recipients
SendGrid drupal/sendgrid_integration Removed free plan late 2025 (60-day trial → paid) Massive scale, marketing+transactional combined Trial-only for new accounts; shared-IP reputation mixed
Postmark community modules only 100/month Best-in-class transactional deliverability, fast No marketing features; pricier per-email; weaker Drupal integration
Brevo (ex-Sendinblue) drupal/brevo 1.0.6 (March 2026) 300/day forever Cheap; combines marketing + transactional + SMS + chat Slower API; less developer-focused
AWS SES community SMTP module First 62k/mo from EC2 free Cheapest at scale ($0.10/1k); EC2 integration Manual DKIM/reputation work; no built-in dashboard analytics
Postfix / SMTP relay drupal/smtp "Free" (own server cost) Full control You own deliverability, IP warmup, DKIM rotation, suppression — too much work

Pattern

Mailgun vs SendGrid

Choose Mailgun Choose SendGrid
Need EU data residency Need free tier for indie/personal projects (rare in 2026)
Want clean dev-first API Want bundled transactional + marketing campaigns
Want built-in DKIM rotation Have existing SendGrid template library

Mailgun vs Postmark

Choose Mailgun Choose Postmark
Mixed transactional + marketing Pure transactional only
Need EU region Best deliverability matters most
Cost-sensitive at scale Drupal integration is custom anyway

Mailgun vs Brevo

Choose Mailgun Choose Brevo
API/dev-first workflow Marketing-heavy site, marketers in admin UI
Transactional focus Need SMS, chat, contact CRM bundled
Volume > 100k/mo Tight budget, need 300/day free forever

Mailgun vs AWS SES

Choose Mailgun Choose AWS SES
Want managed reputation, dashboards Already in AWS ecosystem; cost-optimizing >100k/mo
Don't want to manage IP warmup Have ops bandwidth for SES sandbox graduation, IP setup
Need event webhooks out of the box OK with SNS-based event distribution

When NOT to use Mailgun

  • Pure transactional, < 10k/month, where Postmark's deliverability edge matters more than price
  • Marketing-heavy site that wants list management + automation in the ESP — pick Brevo or SendGrid
  • Strict EU-only data residency with HSM-managed DKIM keys (Auto Sender Security stores keys with Mailgun)
  • Personal projects unwilling to add a credit card to Mailgun (Free without CC is sandbox-only); Brevo's 300/day forever-free no-CC tier wins this niche
  • Already running SES at scale; the migration cost outweighs Mailgun's UX advantage

Common Mistakes

  • Wrong: Switching providers because of one bounce → Right: Diagnose deliverability first (DKIM alignment, content score, sender reputation). Provider is rarely the cause.
  • Wrong: Picking based on free tier → Right: Free tiers in 2026 are too restrictive for production. Plan for paid tier from day one.
  • Wrong: Running SMTP relay for "control" → Right: Want to manage warmup, blocklists, and DKIM rotation yourself? Probably not. ESP is worth the per-1k cost.

See Also