SMTP.com is a reliable email relay API and delivery platform, offering scalable plans from $25/month for 50k emails.
Free·from $25/mo
About Sidemail
What is Sidemail?
Sidemail lets you create unlimited project-specific email inboxes that forward to your personal email, keeping your real address hidden. It's built for indie makers and hobbyists who want a quick, professional email setup without the complexity or cost of full email providers.
Who is it for?
Sidemail is perfect for developers, founders, and side-project creators testing multiple ideas who need separate inboxes for each project. It's not for sending mass marketing emails or large-volume campaigns—it's a lightweight solution for receiving and replying to project emails from your existing Gmail, Outlook, or Apple Mail.
How does it work?
When someone emails your project inbox, it's forwarded to your personal email. To reply, you use your own email client and select the Sidemail inbox as the sender. Sidemail provides the SMTP settings to connect your existing account, so recipients only see your project address.
Real use cases
Freelancers managing client inquiries per project, hobbyists testing a new app idea, or anyone who wants to separate personal and project email without paying per inbox. The free trial lets you try with one project before committing.
Key features
- Unlimited inboxes — Create as many project email addresses as you need, all forwarding to your personal account.
- Keep personal email hidden — Recipients only see your project inbox address, protecting your privacy.
- Forward emails to multiple people — Route incoming messages to a team or an external service like Zapier.
- Send from your personal email — Reply using your existing Gmail, Outlook, or Apple Mail with Sidemail's SMTP setup.
- 7-day free trial — No credit card required to start testing with one project.
- Up to 8,000 emails per month — Generous soft limit for side projects; 16,000 hard limit for occasional bursts.
SaaSpartout Score
6.9
/10
Editorial score from our review methodology — not user ratings.
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Sidemail Pricing
Sidemail pricing: from $2/mo.
For comparison: the median starting price in Communication is $15.99/month, measured across 153 tools we track. See the full SaaS Pricing Index →
Free Trial (7 Days)
1 project, unlimited inboxes, no credit card required.
Starter — $2/mo
1 project, unlimited inboxes, 2,000 emails per month.
Personal — $8/mo
Unlimited projects, unlimited inboxes, 8,000 emails per month.
Frequently asked questions
How much does Sidemail cost?
Sidemail offers a 7-day free trial, then plans start at $2/mo (Starter: 1 project, 2,000 emails) and $8/mo (Personal: unlimited projects, 8,000 emails).
Is Sidemail free?
There is a 7-day free trial with no credit card required. After that, paid plans start at $2/mo.
Who is Sidemail best for?
Sidemail is best for indie developers, side-project creators, and freelancers who need quick, professional email per project without paying per inbox.
How does Sidemail work with my existing email?
You connect your personal Gmail, Outlook, or Apple Mail via SMTP. Sidemail provides the settings, so you send emails from your project address while keeping your real email hidden.
What is the email limit on Sidemail?
The Starter plan includes 2,000 emails/mo; the Personal plan has an 8,000 soft limit and 16,000 hard limit. Sidemail is not for mass marketing emails.
What are Sidemail alternatives?
Alternatives include full email providers like Google Workspace or Zoho Mail, but those charge per inbox. Sidemail is cheaper for multiple project inboxes because it uses forwarding.
