Postmark offers great deliverability as standard, and a helping hand whenever you need one.
Your customers expect application emails to arrive immediately—not eventually. We don't just claim great deliverability. We share live delivery data so you can judge for yourself.
With most providers, when deliverability issues arise, they suggest that paying more for a dedicated IP address will fix the problems. We believe that's an abdication of responsibility to ensure your emails reach customers every time. It’s our job to provide you with great deliverability with or without dedicated IP addresses.
Whether you send thousands of emails or millions of emails, you’ll see the same quality of deliverability across our entire service. You'll be hard-pressed to find a provider more willing to stand by the quality of their shared IPs than Postmark. If or when the time comes that a dedicated IP address makes sense, we'll set you up on one.
Everyone says they have great support. Then you notice they sell an upgraded version of dedicated support for customers who are willing to pay extra.
Customer feedback gathered through Help Scout over the past 60 days.
There’s no VIP section for support with Postmark. You can email us and usually hear back in a couple of hours, or you can reach us via live chat during business hours. If you’re having delivery problems, we’ll never tell you to just upgrade to a dedicated IP address. We’ll dive in and help you get to the bottom of things.
We also have comprehensive developer documentation and a support center packed full of resources to keep you going when our support team is enjoying some well-earned downtime with their families.
Take a moment to meet our customer success team.
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Postmark is an excellent Mailchimp Transactional alternative, providing everything you’ll need for sending application emails, processing inbound email, and tracking user engagement.
| Postmark | Mandrill | |
|---|---|---|
| Transactional emails | ✔ | ✔ |
| Bulk/broadcast email |
✔ (New in Postmark: Send your promotional or bulk email via Broadcast Message Streams.)
|
✔ |
| Separate infrastructure for transactional and bulk email | ✔ | ✘ |
| SMTP | ✔ | ✔ |
| REST API | ✔ | ✔ |
| Comprehensive official libraries | ✔ | ✔ |
| Community libraries | ✔ | ✔ |
| Spam score checking | ✔ | ✔ |
| Spam complaint handling | ✔ | ✔ |
| Bounce handling | ✔ | ✔ |
| Shared IPs | ✔ | ✔ |
| Dedicated IPs |
✔ (Auto-managed based on individual sending volume)
|
✔ |
| Separate environments with servers | ✔ | ✔ |
| Pre-made email templates | ✔ | ✘ |
| Template engine | ✔ | ✔ |
| Inbox preview |
✔ (Available when you send with Postmark Templates)
|
✔ ($3/test for Litmus Visual tests)
|
| Scheduled delivery | ✘ | ✔ |
| A/B testing | ✘ | ✔ |
| Email address validation | ✘ | ✘ |
| Postmark | Mandrill | |
|---|---|---|
| Inbound email processing | ✔ | ✔ |
| RegEx matching on all email headers ("routes") | ✘ | ✔ |
| Chain multiple filters | ✘ | ✘ |
| UTF-8 encoding | ✔ | ✘ |
| Raw MIME | ✘ | ✔ |
| Strip signature and quote blocks | ✔ | ✘ |
| Spam filtering | ✔ | ✔ |
| Postmark | Mandrill | |
|---|---|---|
| Delivery rates | ✔ | ✔ |
| Bounce rates | ✔ | ✔ |
| Open rates | ✔ | ✔ |
| Click tracking | ✔ | ✔ |
| Unsubscribe tracking | ✔ | ✔ |
| Spam rates | ✔ | ✔ |
| Full message storage |
✔ (45 days)
|
✔ (30 days)
|
| Automatic tagging | ✘ | ✔ |
| Custom tagging | ✔ | ✔ |
| Custom header metadata tag | ✘ | ✔ |
| Custom tracking domain | ✘ | ✔ |
| Geolocation data | ✔ | ✔ |
| Email client and device tracking | ✔ | ✔ |
| Real-time notifications | ✔ | ✔ |
| Postmark | Mandrill | |
|---|---|---|
| Time to Inbox | ✔ | ✔ |
| System availability API | ✔ | ✔ |
| Service availability API | ✔ | ✔ |
| Postmark | Mandrill | |
|---|---|---|
| SPF | ✔ | ✔ |
| DKIM | ✔ | ✔ |
| DMARC | ✔ | ✘ |
| 2FA | ✔ | ✔ |
| Opportunistic TLS | ✔ | ✔ |
| Enforced TLS | ✘ | ✘ |
I’ve used SendGrid, Mandrill and Postmark for transactional email in production. Amazing how much better Postmark is than everyone else.
Easy to set up. Great API. Rapid mail delivery and no spam issues. We moved from Mandrill because of terrible deliverability and am pleased to say it’s been well worthwhile....we’ve even saved money. Thanks Postmark Team….you rock!!
Okay @postmarkapp is amazing. Why has no one told me about this? Good riddance to all their competitors I've put up with for too long.
You have an excellent user interface and very good spam reputation service. Combined with the pay-what-you-use subscription a better alternative to Mailchimp and its expensive Mandrill moneymaking machine.
You go above and beyond to make sure your customers understand transactional email. The educational material you provide make me want to use you. But then there is also the fact (which made me seek you out in the first place) that you take deliverability very seriously. You fixed a problem I had with deliverability in Mandrill. An awesome service.
My customers are so confident in their transactional email now, that they no longer include 'check in your spam box' in their website messaging anymore. Account email confirmations and missing invoices are a thing off the past. The activity feed gives myself and my customers total confidence in using email for important tasks again.
| 10,000 emails /month |
125,000 emails /month |
700,000 emails /month |
|
|---|---|---|---|
| Annual Savings | $300 /year | $60 /year | $828 /year |
| Postmark Includes great deliverability and support as standard | $15 /mo. | $115 /mo. | $455 /mo. |
| Mandrill Includes the required subscription to a paid MailChimp plan | $40.00 /mo. | $120.00 /mo. | $524.00 /mo. |
All new accounts start off on our free developer plan with 100 emails per month. Use it for however long you need, it doesn’t expire.
Dedicated IPs are available to high-volume senders. Read about our policy for issuing dedicated IPs.
Extra emails on our paid plans are calculated at the end of your billing cycle and included with your plan cost for the upcoming month.
We accept payments via Visa, MasterCard, American Express, Diners, and JCB. We do not accept PayPal or Purchase Orders.
Yes! Contact us to learn more about our high-volume pricing.
