SMTP2GO is an SMTP relay for personal and transactional emails with analytics and deliverability tools, but no email forwarding.[1]
ImprovMX provides advanced email forwarding and optional SMTP sending, without SMTP2GO's full sending features.
Choose SMTP2GO if you need free-tier SMTP sending, or advanced send tracking.
Choose ImprovMX if you need email forwarding and are willing to use a paid plan for SMTP sending.
ImprovMX
SMTP2GO
Pricing
Customer Support
Human & AI Chatbot Support.
Support via email tickets, live chat, and phone.
Email Forwarding
Email forwarding with advanced features.[2]
No email forwarding.
Email Sending
Has SMTP sending, but a send API is in progress.
Has SMTP sending and API sending.
API
Offers an API to manage email forwarding and aliases.
Offers an API for sending and tracking emails.
CLI/MCP
Does not offer a CLI nor MCP.
Email Tracking
No open or click tracking.
Simplicity
Simple UI for email forwarding.
Easy setup with a friendly dashboard.
Backup/Redundancy
Offers email log retention for up to 180 days.
Provides optional archiving for emails.
Reputation
Reliable email forwarding, serving users since 2013.
Well‑regarded for reliable email delivery since 2006.
Compliance
ImprovMX is GDPR compliant.
SMTP2GO is GDPR compliant.
1. Customers often say SMTP2GO is meant for transactional or marketing emails, not everyday inbox use, and suggest using a different provider.
2. We support rules routing, wildcard addresses, and webhooks for flexible email handling.
3. ImprovMX's CLI is built for terminal workflows, automation, and ai coding tools like Claude Code and OpenAI Codex.
Questions? Reach out to us, we love chatting about email service providers.
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