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A transactional email is an automated message triggered by a user's action, sent to a single recipient. Sender gets your emails to the inbox in seconds – no IP warm-up or manual input required.
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No need to juggle multiple services. While your transactional emails run in the background, use the same platform – built for teams, including developers, SaaS teams, and ecommerce stores – to design and send marketing campaigns.
Sender makes sure password resets, one-time passcodes (OTPs), and account confirmations land in inboxes in real time. Track every send and monitor transactional delivery in real time from your logs.
Strong deliverability starts with authentication. Set up SPF, DKIM, and DMARC on your sending domain, then Sender handles the rest so your transactional email stays out of spam folders.
No Credit Card Required. Cancel Anytime.
Grab your API keys, hit the REST endpoint, and customize your setup. Drop in variables like customer names or order totals, and add conditional content based on user data.
About APIConfigure SMTP and authenticate your domain so messages reach the inbox. Set up the technical foundation once, then send with more confidence every time.
About SMTPBeyond the basics, we've included the features developers need for production-ready email systems. Enjoy a fuss-free workday for the whole team.
Tweak your email copy without bugging a developer or redeploying. Build reusable templates once, then personalize them on the fly with Liquid syntax.
Know the moment an email lands, gets opened, or earns a click – so you can act on it instead of guessing.
Domain authentication, dedicated IPs if needed, and role-based access for your team.
Understand user behavior and troubleshoot delivery, with tracking you can toggle per message type.
Send invoices, receipts, or PDFs up to 10MB. Everything's virus-scanned and delivered securely.
Search records of every email sent or received for the past 30 days.
A transactional email is an automated message sent to one person in response to an action. Think order confirmations, shipping updates, password resets, and one-time passcodes.
Transactional emails are triggered by a user's action and sent individually; marketing emails are promotional and sent in bulk. Receipts and password resets are transactional, while newsletters are marketing.
Yes, Sender's free plan lets you send transactional emails. Transactional and marketing email share one account, allowing you to send up to 15,000 monthly emails.
Both SMTP and API are good for transactional purposes. The REST API suits developers wanting programmatic control and dynamic variables; SMTP relay is fastest when your app already supports SMTP. Sender supports both on every plan.
To set up transactional sending, verify your sending domain and configure SPF, DKIM, and DMARC so mailbox providers trust your messages. Your 'from' address must match the verified domain. No IP warm-up is required on shared IPs.
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