SMTP service: Simple, fast, and reliable email delivery
Add instant, worry-free email functionality to any website or application
Send emails that reach the inbox every time
No marketing speak. We built SendLayer’s SMTP service with over 40 years of combined email experience to make transactional email delivery reliable and hassle-free for any platform.
SMTP that works with everything you already use
SendLayer SMTP connects seamlessly with the tools you know and love:
- WordPress
- WooCommerce
- Magento
- Laravel
- Custom applications
- … and more!
Optimized for transactional emails
Unlike generic email services, SendLayer’s SMTP relay is optimized for the emails that matter most to your business.
Priority delivery: Real-time processing with intelligent routing ensures fast inbox delivery.
Automatic protection: Our infrastructure handles bounces and protects your domain reputation automatically.
Developer friendly: Clean error messages, reliable delivery, straightforward setup that works the first time.
Emails you can count on
Website contact forms – Stop missing leads with reliable form delivery
User account emails – Password resets and verifications arrive instantly
Ecommerce notifications – Give customers confidence with prompt order confirmations and shipping updates
Application alerts – System notifications and automated messages your business depends on
Never worry about SMTP email delivery again
The reliable SMTP service that ensures your emails reach the inbox every time. Simple setup, powerful delivery, affordable pricing.
Reliable inbox delivery
Stop losing customers to missing emails. Our SMTP infrastructure is built to hit the inbox, not the spam folder.
Works with everything
Drop-in replacement for your current SMTP provider. Compatible with 100+ platforms.
Lightning-fast delivery
Password resets and order confirmations appear in seconds, not minutes. Your customers won’t wait.
Frequently Asked Questions
What is SMTP and why should I use it?
SMTP (Simple Mail Transfer Protocol) is the standard for sending emails across the internet. SendLayer’s SMTP service ensures proper authentication and delivery of your emails from your website or app to the inbox.
Can I have multiple SMTP connections for different projects?
Absolutely. You can create separate SMTP users and credentials for different websites, clients, or projects. This makes it easy to track performance and manage settings individually.
Can I have multiple SMTP connections?
Yes, you are not limited to the number of active SMTP users and the number of SMTP requests you make. Note: Excessive SMTP request frequency will be prevented by SMTP rate limiting.
Do you offer a free developer plan?
Yes, our free plan allows you to send hundreds of emails while you’re testing your app or email integration. This allows you to make sure your email workflow is set up correctly without committing to a paid plan. Get started for free now >
Built for reliability, simplicity, and affordability
Stop worrying about email delivery and focus on your business. SendLayer ensures your important emails always reach the inbox.
SendLayer SMTP is just the beginning
Why settle for basic email sending when you can have complete email intelligence? SendLayer gives you the insights and tools to optimize every message.
Detailed Email Logs
Track the full email journey to verify that your emails are making it to their destination.
Open and Click Analytics
Check engagement on individual emails and filter them by status or recipient.
Mailing Lists
Create emailing lists email groups and manage them in your dashboard.
API Email Relay
Easily connect your website or app via API to power your email efforts.
SMTP Email Relay
An SMTP setup so easy that you only need to copy and paste credentials.
Email Analytics
Track the metrics that matter to you so you can optimize for performance.