Back to 'Sectors'Lettermint for Agencies
Your clients trust you to build their websites and applications. Make sure their transactional emails are in good hands too. Lettermint lets you manage unlimited domains from a single account, track delivery per project, and scale without breaking the bank.
One account for all your clients
Managing emails for multiple clients often means multiple accounts and dashboards. With Lettermint, you create a project for each client with separate domains, analytics and API keys. All under one account.
No more logging into different providers or tracking separate invoices. One place to manage email delivery for every website and application you build. Switch between projects without switching accounts.
Unlimited domains and projects- Separate API keys per project
- One monthly invoice for all your clients
- Invite team members with their own access rights
Digital Agency Ltd.
Pizzeria Bella Italia
Clients
City Bike Shop
Clients
Happy Paws Grooming
Clients
Easy Integration
Every client has a different codebase. A simple WordPress website, a Magento webshop or a custom Laravel application. Lettermint integrates easily with any environment.
Clear documentation and ready-to-use SDKs help you get started quickly. Or use SMTP for a universal solution that works everywhere.
See all integrationsHigh deliverability
Password resets, order confirmations and notifications from your clients need to arrive. Our system ensures emails land in the inbox, not in spam.
Focus on your business, not on email problems.
Inbox
Primary
Promotional
Social
100% GDPR Compliant
Your data never leaves Europe
Your Data, Your Control
Full ownership of your data
European Infrastructure
Built and hosted in Europe
Made in Europe
Unlike most email providers that rely on US-based infrastructure, Lettermint operates exclusively within Europe. This unique approach ensures your data is protected by the world's strongest privacy laws.
From our servers to our team, everything is European. Every aspect of our service is designed with privacy and data sovereignty in mind. Your emails and customer data remain within EU borders at all times.
Europe basedFrequently Asked Questions
Can I send emails on behalf of my clients?
Yes, you can add your clients' domains to your account. After configuring the DNS records, you can send emails directly from their domains. For example, add example.com and send emails from info@example.com.
How many domains can I add?
This depends on your plan. With our Pro plan at €15 per month, you can add unlimited domains and projects. Ideal for agencies sending transactional and marketing emails for multiple clients.
Can I create separate API keys per client?
For security, it's smart to create a separate project for each client. You can request an API key per project that only works for domains within that project. This keeps clients separated and prevents emails from being sent from the wrong domain by accident.
Can I give team members or clients access to specific projects?
Yes, you can invite team members and clients with their own access rights. For example, give a developer access only to the projects they work on.
Can I see how many emails clients are sending?
Yes, in our dashboard you can see all statistics per domain and project. Think of sent, delivered or bounces. You can also retrieve this data via the API or receive it in real-time as a webhook.
Want to charge this to your clients? You can fully automate this via the API. That way, clients only pay for delivered emails.
Which integrations do you support?
For WordPress we have an official plugin in the WordPress Plugin Directory. Does your client use a different system? With SMTP you can integrate Lettermint with almost any application. We also offer an API, SDKs for Node.js, PHP and Zapier for no-code integrations.
View all our integrations on our integrations page .
Where are my emails and those of my clients stored?
All our servers are located in Europe. We don't store data longer than necessary and work fully GDPR compliant. This is a perfect fit for agencies that value privacy and data security.
Read more about our European approach . No American cloud providers, no Cloud Act risks and support from your timezone.
Can I also send newsletters and marketing emails?
Yes, besides Transactional emails we also offer Broadcast emails . This lets you send newsletters, campaigns and other marketing emails. All from the same European infrastructure.
Ready to manage emails for your clients?
One account for all your clients. Separate projects and domains, clear analytics and one monthly invoice. No more time wasted on email servers, more time to build.
Get started