ImprovMX provides advanced1 email forwarding to your existing inbox, with sending handled by SMTP.
Resend is a developer-native email sending service for transactional and broadcast emails, with forwarding handled by inbound webhooks.
Choose Resend if you need a fully featured API-based email sending service, and are comfortable handling email entirely with code. Choose ImprovMX if you need a traditional email inbox experience.
Inbound Email
Native email forwarding and inbound webhooks
Incoming emails delivered via inbound webhooks only
Pricing
Volume or fixed based pricing, more expensive monthly plans
Free plan
Lower daily cap (100), but includes API sending
Sending Volume
Monthly SMTP quotas per plan, talk to us to scale
Fixed, but can self-enable overages for higher volume
API
API manages domain, aliases and forwarding
Email API
Offers a full REST sending API
Advanced Forwarding
Webhook only
Webhooks
Inbound email webhooks
Email Tracking
Full email engagement tracking
Email Templates
Pre-built templates for transactional emails
Dedicated IPs
Shared IP pool only
Managed dedicated IP pools
Compliance
ImprovMX is GDPR compliant
Resend is GPDR and SOC II compliant
1. ImprovMX offers SMTP sending, rules routing, wildcard addresses, multiple recipient destinations, regex aliases and webhooks.
2. Resend’s API lets you send email via HTTP or SMTP (single/batch). It supports domain and key management, webhooks for delivery/events, audience tooling (contacts, segments, topics), and inbound email receipt with APIs to fetch full content and attachments.
3. Resend offers webhooks for email events (sent, scheduled, delivered, delivery delayed, opened, clicked, bounced, spam complaints, failed, suppressed, and received).
Questions? Reach out to us, we'd love to chat about email service providers.
Your domain deserves better email
Set up in minutes and forget about it.