Sending 250,000 emails a month costs from about $25 to about $255, depending on the provider and on whether you want a dedicated IP. As of October 2026, Amazon SES charges about $25 for sending alone, Resend $170, Postmark $245 and SendGrid about $249, with a dedicated IP included on SendGrid. It's also roughly the volume where a dedicated IP starts to make sense, which changes which prices you should compare.
The numbers at 250,000 emails a month
Monthly cost as of October 2026, using the cheapest published option. Confirm on each vendor's pricing page.
| Provider | Shared IPs | With a dedicated IP | How we got it |
|---|---|---|---|
| Amazon SES | $25 | $49.95 | $0.10 per 1,000, + $24.95 per IP |
| Resend | $170 | $230 | Pro 100k + overage; Scale 200k + overage + $30 IP |
| Postmark | $245 | not available | Basic 300k tier; IPs need 300k+ a month |
| SendGrid | about $249 | about $249 | Pro 300k tier, IP included |
| Mailgun | up to $255 | up to $255 | No published price above 100k; Scale includes one IP |
| OwnMailServer Scale 250k (early access) | — | $149 | Flat, own server, 1 dedicated IP |
What the table hides:
- Resend's cheapest route depends on the IP. On shared IPs, Pro plus $0.90-per-1,000 overage ($170) beats Scale. A dedicated IP needs Scale: the 200k tier plus 50 × $0.80 overage, plus $30 for the IP, makes $230. Our Resend pricing breakdown lists every tier.
- Postmark has no dedicated IP option yet. Postmark sells them only from 300,000 emails a month, on Pro or higher. At 250k you're on its shared infrastructure.
- SendGrid jumps straight to its 300k tier. Its Essentials plans stop at 100k, so 250k means Pro at about $249, which includes a dedicated IP. SendGrid's page lists only starting prices; this tier comes from a third-party reading of Twilio's plan list.
- Mailgun quotes. Its pricing page shows volumes above 100k but no prices. $90 for 100k plus 150 × $1.10 overage gives a ceiling of $255.
Is 250,000 a month enough for a dedicated IP?
Usually, yes, with one condition: you send steadily.
250,000 a month is about 8,300 emails a day. Spread across the week, that's enough traffic for Gmail, Outlook and Yahoo to form a view of an IP based on your sending alone. That's the point of a dedicated IP: a reputation that reflects only you, unaffected by other customers on a shared pool.
The condition matters. If your 250,000 goes out as one newsletter a week with quiet days in between, mailbox providers see bursts from an IP they barely know, and a shared pool may serve you better. Steady daily traffic, like notifications, receipts, alerts and a regular newsletter, is what makes a dedicated IP work.
Below this volume, the shared plans usually win. Our 100k breakdown explains why.
Warm-up at 250,000 a month
A new dedicated IP has no history, so it can't take 8,300 emails on its first day. The usual approach:
- Keep your current provider running.
- Start with a few hundred emails a day from the new IP, to your most engaged recipients.
- Roughly double daily volume every few days as long as bounces, complaints and deferrals stay low.
- Move the rest of your traffic over once the new IP is carrying full volume with good inbox placement.
At this volume, warm-up usually takes two to four weeks, the shorter end of the typical range. Our IP warm-up guide has a full schedule.
A year at 250,000 a month
Monthly differences look small; yearly ones less so. With a dedicated IP, as of October 2026:
| Option | Per month | Per year |
|---|---|---|
| Amazon SES + IP | $49.95 | $599.40, plus the tooling you build |
| OwnMailServer Scale 250k (early access) | $149 | $1,788 |
| Resend Scale + IP | $230 | $2,760 |
| SendGrid Pro 300k | about $249 | about $2,988 |
| Mailgun Scale | up to $255 | up to $3,060 |
And if you grow, which is often why people look at this in the first place: at 500,000 a month the same options cost $74.95, $249, $380 and about $499 a month. Per-email plans roughly double; a flat plan steps up once. Our 500k breakdown has the details.
The flat-price option
Our Scale 250k plan, in early access, is $149 a month: your own server and dedicated IP, a Resend-style API and SMTP, a managed warm-up, automatic pauses if bounces or complaints spike, and daily monitoring. There's no payment until your server is live. Compared with the dedicated-IP column above, that's $81 a month less than Resend and about $100 less than SendGrid Pro, before any per-email growth.
That doesn't make it right for everyone:
- Choose SES if you have engineers to build bounce handling, suppression and dashboards, and want the lowest sending cost.
- Choose Resend, SendGrid or Postmark if a fully self-service product matters more than the price difference.
- Choose a dedicated IP service like ours if you send steadily, expect to grow, and want a flat cost and a reputation of your own.
Costs at other volumes
- 100,000 a month: why shared IPs usually win
- 250,000 a month: this page
- 500,000 a month: where per-email pricing starts to hurt
- 1,000,000 a month: the full comparison at scale
- Any other volume: the email cost calculator