Sending 50,000 emails a month costs between about $5 and $55, depending on the provider. As of October 2026, Amazon SES charges about $5 for sending alone, SendGrid Essentials $19.95, Resend Pro $20, Mailgun Foundation $35 and Postmark $55. For most senders at this volume, the right choice is a cheap shared-IP plan. Free tiers won't cover it.

The numbers at 50,000 emails a month

Monthly cost as of October 2026, using the cheapest published option. Confirm on each vendor's pricing page.

Provider Monthly cost How we got it
Amazon SES about $5 $0.10 per 1,000, sending only
SendGrid $19.95 Essentials 50k
Resend $20 Pro 50k
Mailgun $35 Foundation 50k
Postmark $55 Basic 50k tier
OwnMailServer pay as you go (early access) $10 $10 monthly minimum, which includes the first 50,000

A few notes:

  • SendGrid and Resend tie. Both cost about $20 for 50,000 on shared IPs. Pick on developer experience and features; our Resend vs SendGrid comparison covers the differences.
  • Mailgun and Postmark cost more here. Mailgun's Foundation plan is $35 (Mailgun pricing explained); Postmark's 50k tier is $55 (Postmark pricing explained). Postmark's price buys a transactional-only focus that some teams want.
  • Amazon SES has a small data charge too: $0.12 per GB of attachments and message data. At 50,000 small emails, that's cents.

Why free tiers run out

Most free plans are sized for testing, not for a running business:

Provider Free allowance (as of October 2026)
Resend 3,000 a month, max 100 a day
Mailgun 100 a day
SendGrid 100 a day for 60 days (trial)
Postmark 100 a month
Amazon SES No fixed free emails; new AWS customers get up to $200 in Free Tier credits

The daily caps matter more than the monthly totals. 50,000 a month is about 1,700 a day on average, and a launch, a password-reset spike or a newsletter day can be several times that.

Shared IP, not dedicated

At about 1,700 emails a day, a dedicated IP would have too little traffic for Gmail, Outlook and Yahoo to judge it, and a new IP needs weeks of warm-up before it can carry your mail. Every bounce and complaint would also land on your IP alone.

A reputable provider's shared pool already has a long sending history. At this volume, it delivers as well as a dedicated IP or better. Our post on shared vs dedicated IPs explains where the line sits; for most senders it's around 200,000 a month.

What decides where your mail lands at 50k

If your mail goes to spam at this volume, changing providers rarely fixes it. Check these first:

  1. Authentication. SPF and DKIM must pass, and DMARC must be published with your From domain aligned. Our email health checker tests your DNS in seconds.
  2. One-click unsubscribe on marketing mail. Gmail and Yahoo expect it from bulk senders; paste a sent email into the bulk sender checker.
  3. List quality. Old or unconfirmed addresses cause bounces and spam complaints. Gmail wants complaints under 0.3%.
  4. Separate streams. If you send receipts and a newsletter, keep them on different subdomains so a newsletter complaint can't hurt your password resets.

Want someone to check and fix it for you? Our deliverability fix audits SPF, DKIM, DMARC and reverse DNS for one domain for $199, on whatever provider you use.

Our pay-as-you-go option

Our sending, in early access, is $0.20 per 1,000 emails with a $10 monthly minimum that includes the first 50,000, so 50,000 a month costs $10. There's a $10 one-time setup fee. You send from our shared pool at this volume, with a Resend-style API and SMTP, warm-up and daily monitoring of bounces, complaints and blocklists. Campaigns are built in, so a newsletter doesn't need a second tool. We review every account before it can send, and nothing is charged before approval. Details are on the pricing page.

To be fair: Amazon SES is still cheaper per email if you're happy to build the surrounding tooling, and SendGrid or Resend at about $20 are mature, fully self-service products with large ecosystems.

Costs at other volumes