ImprovMX vs SendGrid: Features, Pricing and User Reviews 2026

ImprovMX

Simple Email Forwarding for Your Domain

SMTP Service Provider Email Forwarding Service

SendGrid

Email Delivery Platform for Businesses

Transactional Email API SMTP Service Provider+1 more

ImprovMX

Simple Email Forwarding for Your Domain

SMTP Service Provider Email Forwarding Service

SendGrid

Email Delivery Platform for Businesses

Transactional Email API SMTP Service Provider+1 more

ImprovMX

ImprovMX is a cloud-based email forwarding tool that connects your custom domain to your existing email inbox. Instead of setting up complicated email servers or paying for expensive hosting, you simply point your domain to ImprovMX and create email aliases that forward to your personal email.

For example, you can receive emails at [email protected] and have them arrive in your Gmail inbox. You can also send emails from your custom domain using their SMTP service, making your messages look professional and consistent.

The service includes features like catch-all addresses, custom routing rules, email logs for tracking, and an API for developers. It works fast, with most emails forwarding in under 5 seconds, and maintains a strong uptime record for reliability.

SendGrid

SendGrid is a complete email delivery system that works in the cloud. You can use it in two ways: through an API for automatic emails from your website or app, or through a user interface for creating marketing campaigns.

The Email API helps developers send transactional emails programmatically using popular programming languages like Python, Node.js, PHP, and Ruby. It connects to your application through simple code or SMTP relay.

The Marketing Campaigns tool lets marketers create beautiful emails using drag-and-drop editors, manage contact lists, segment audiences, and track email performance through detailed analytics. Both services include features like email validation to check addresses before sending, dynamic templates for personalization, and real-time delivery monitoring to ensure high inbox placement rates.

Features of ImprovMX and SendGrid

ImprovMX

Custom domain email forwarding to existing inbox
SMTP sending for professional outbound emails
Catch-all addresses and regex routing rules
Fast 5-second average forwarding time
99.99% uptime guarantee
Email logs with configurable retention
API for programmatic management
GDPR compliant and privacy focused
No email storage on servers
Multiple domain support on paid plans

SendGrid

Powerful Email API for transactional emails
Marketing campaign builder with drag-and-drop editor
Email validation to verify addresses
Dynamic templates with personalization
Real-time analytics and reporting
Dedicated IP addresses for better deliverability
Domain authentication (SPF, DKIM, DMARC)
Contact list management and segmentation
A/B testing capabilities
Automation workflows
Webhook support for real-time events
SMTP relay option

Use Cases of ImprovMX and SendGrid

ImprovMX

Transactional Email Sending Email Forwarding DNS Record Configuration

SendGrid

Transactional Email Sending Marketing Email Sending Bulk Email Sending Email Performance Tracking Email Address Verification Email Bounce Handling Email Deliverability Optimization

Pricing of ImprovMX and SendGrid

ImprovMX

ImprovMX offers transparent pricing with a forever-free plan and scalable paid options.

The Free Plan includes 1 domain, 25 email aliases, basic forwarding features, and 7 days of email logs. This plan is perfect for personal projects and side businesses.

Premium ($9/month) expands to 30 domains, 100 aliases per domain, 10 routing rules per domain, 6,000 SMTP emails monthly, and up to 180 days of log retention with a 99% uptime guarantee.

Pro ($24/month) offers 100 domains, 200 aliases per domain, 50 routing rules per domain, 30,000 SMTP emails monthly, and the same extended logging and uptime guarantee.

Enterprise (Custom Pricing) provides unlimited everything with a 99.99% uptime guarantee, white-label options, and dedicated support. Contact their team for custom pricing based on your specific needs.

SendGrid

SendGrid offers flexible pricing for both Email API and Marketing Campaigns with free trials available.

Email API Pricing:

Free Trial: Send 100 emails per day for 60 days with basic analytics and one teammate access.
Essentials Plan ($19.95/month): Send 50,000-100,000 emails monthly with analytics, two event webhooks, and one additional teammate.
Pro Plan ($89.95/month): Send 100,000-2,500,000 emails monthly with dedicated IPs, subuser management, single sign-on, up to 1,000 teammates, five event webhooks, 2,500 email validations, and advanced template testing.
Premier Plan (Custom pricing): Custom high-volume solutions with all Pro features plus 5,000 email validations and dedicated support.

Marketing Campaigns Pricing:

Free Trial: Store 100 contacts and send 100 emails daily with design editors, segmentation, three email testing credits, and one signup form.
Basic Plan ($15/month): Store up to 100,000 contacts and send up to 300,000 emails monthly with 10 email testing credits, five signup forms, and ticket, chat, and phone support.
Advanced Plan ($60/month): Store 200,000 contacts and send 1,000,000 emails monthly with automation, dedicated IPs, 60 email testing credits, 15 signup forms, up to 1,000 teammates, and guaranteed response times.
Custom Plan: Tailored solutions for enterprises with custom pricing and all Advanced features.