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Postmark is a service that helps you send transactional and marketing emails with high deliverability and speed. It offers API and SMTP integration, message streams, email templates, analytics, and more.
- Blog
Great support is a core part of what makes Postmark...
- API Documentation
Postmark will only accept attachments with specific file...
- Getting Started
Postmark provides webhooks for bounces, inbound messages,...
- Email Guides
Before you start sending on your customer's behalf through...
- Email Comic
Postmark Express: Enjoy our webcomics about the Wild West of...
- Webinars
Postmark Office Hours. A (virtual) fireside chat with the...
- Videos
Setting Up DKIM, Custom Return-Path, & DMARC In Google...
- Podcast
Bubblegum, duct tape, and digital handshakes: how email has...
- Blog
Postmark is a SMTP service that lets you send transactional email from your web application with high delivery and performance. Learn how to set up Postmark with your development framework, track messages with metadata and tags, and access developer friendly documentation.
- Do You Offer A Free Trial?
- What Happens If I Go Over My Monthly Email Limit?
- Do You Offer Annual Plans?
- Do You Offer Dedicated Ips?
- What Payment Types Do You accept?
- Do Unused Emails Roll Over Into The Next month?
- Do You Offer A Discount For Bootstrapped Companies?
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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.
Extra emails on our paid tiers are calculated at the end of your billing cycle and included with your cost for the upcoming month.
Not right now, but we’d like to! We’re looking at introducing annual plans, which can offer some flexibility to customers who have lower and/or seasonal volume. Contact usif you’d like to be notified when we introduce annual plans.
Yes: dedicated IPs are available to high-volume senders. Read about our policy for issuing dedicated IPs.
We accept payments via Visa, MasterCard, American Express, Diners, and JCB. We do not accept PayPal or Purchase Orders.
No. If you are under your email limit at the end of a billing period, the unused emails do not roll over to the next billing period.
Yes! If you’ve launched your product, are charging for it, and haven’t taken outside investment, contact our support teamand we’ll give you $75 account credit to help with your email costs.
Postmark is a reliable email delivery service that offers transparent pricing with no surprises. You can start with a free developer plan and upgrade to paid plans with more features and volume as your needs grow.
Sign up for Postmark in 30 seconds and get your first 100 emails for free.
Postmark is a transactional email service that helps you send emails reliably and securely. Read the latest posts about email best practices, industry news, product updates, and more on the Postmark blog.
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Trusted by thousands of developers, Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.