Trusted by50+ Zoho applications

to deliver transactional emails to our customers.

110Memails sent per month

The what why, and how of transactional emails

Transactional emails are unique emails that are usually triggered by some user action. More often than not, your customers are expecting these emails in their inbox within seconds of the trigger action. Pick the right delivery service and keep your customers happy.


  • Welcome emails
  • Password reset emails
  • Account notification emails
  • Invoice emails

Your transactional emails are eight times more likely to be opened than your marketing emails, making them your golden ticket to building a great customer relationship.


Deliverability of transactional emails

Your users will no longer be left refreshing their inbox for their email verification code or password reset emails. Email deliverability is a consequence of the reputation of the sender IP address. ZeptoMail is built exclusively to tackle the challenges of sending transactional emails.

Email Authentication

Delivery is good. Delivering to the right folder is crucial. ZeptoMail supports industry-standard authentication mechanisms such as SPF and DKIM. We not only make it possible, but you can set up the authentication without a hassle.

Integration options

Integration options

You know what your business needs, so you get to decide the setup method - SMTP protocol or Email API. Migrate to ZeptoMail in a simple configuration with SMTP, or use Email APIs for deeper integration with your application. Pick what's best suited for you and get started.


Detailed reports of transactional emails

Monitor real-time statistics and generate detailed reports of the number of sends, opens, clicks, and bounces to improve your email practices and ensure great email deliverability. You can also configure webhooks to receive instant notifications on recipient activity.

Detailed reports

Customer support

24/7 technical assistance

Knowledgeable and capable support engineers are available around the clock to assist you with issues both big and small. We'll work with you to help you get the best out of our service.

Customer support

Frequently Asked Questions

  • What is a transactional email?

    Transactional emails are unique, automated emails that are triggered by user action on your application or website. It completes an agreed-upon transaction between you and your customer. Eg., order confirmation emails, email verification, OTP emails.

  • Difference between transactional emails and marketing emails?

    Marketing emails are bulk emails that relay the same information to multiple recipient with the intent of promotion of a service or product. Eg., newsletters, offer emails etc. In contrast, transactional emails contain personalized information are sent in response to user action.

  • How to send a transactional email?

    For higher engagement, you can use a dedicated transactional email sending service like ZeptoMail, to send transactional emails. Once you've signed up to ZeptoMail, you can choose how to send transactional emails to your user — SMTP or Email APIs.

  • Why do I need a transactional email service?

    Email deliverability is a consequence of a sender's IP reputation and sending marketing emails that are marked as spam can ruin this reputation. By using a dedicated transactional email service, you can build a good IP reputation and ensure speedy delivery of your transactional emails.

  • Does ZeptoMail provide dedicated IPs?

    While a well-managed and shared IP address gives a higher chance of great deliverability, certain businesses with high email volume, may require a dedicated IP. You can contact us to learn more about which option serves your purpose better.

  • How does the 30% offer work?

    30% offer will automatically be applied to your email credit purchases in ZeptoMail, at the time of the purchase. This offer is valid upto 31 December 2021.

Secure and reliable transactional email service

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