Replacement Guide

How to Build Your Own SMTP2GO

Replace SMTP2GO with a custom build. Reliable & Scalable Email Delivery Service

Weekend Project
53 features3 integrationsOne weekend

Estimated Timeline

Based on 53 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Resend

Transactional and marketing email delivery

Key Features to Replicate

Top features across 8 categories. See all 53 features

Reporting & Analytics(7 features)

Activity Storage Duration ExtensionPremium

Extend how long your email activity data is stored and accessible, from 30 days up to 2 years.

Data Exports

Download data such as email logs, reports, or suppression lists for offline analysis or backup purposes.

Email Auditing

Track email activity by automatically BCCing a copy of every email sent from any user. Useful for compliance, troubleshooting, transparency, and performance review.

Real Time Activity Log

View real-time detailed information about every email sent through your account.

Scheduled Reports

Automate the delivery of email performance reports to team's inboxes on a regular schedule.

+2 more in this category

Infrastructure(6 features)

Additional Dedicated IPsPremium

Add extra dedicated IP addresses to segment sending traffic or manage high volumes more effectively.

Best-Path Routing

Intelligent network routing to ensure fastest and most reliable email delivery.

Dedicated IPPremium

Send emails from your own dedicated IP address for greater control over reputation and deliverability.

IP PoolsPremium

Group multiple dedicated IPs into pools to organize and optimize large-scale email sending.

Location Specific Services

Access servers in multiple global locations to improve email delivery speed and reliability for your region.

+1 more in this category

Account Management(4 features)

API Keys

Generate and manage unique API keys to securely send emails and control access to account from anywhere.

SMTP Users

Add multiple SMTP users to account, each with their own credentials for secure sending.

Subaccounts

Create separate subaccounts under main account to manage clients, departments, or projects needing isolated settings and reports.

Team Members & Roles

Create team member accounts at no extra cost and assign roles to each user to keep account safe. Free plans limited to 2 team members.

Authentication & Security(4 features)

IP Authentication

Authenticate by IP address as an alternative to SMTP authentication. Useful for software incapable of SMTP authentication.

SPF and DKIM

Authenticate emails with SPF and DKIM to boost deliverability and reduce the risk of spoofing.

TLS and SSL Encryption

Protect emails in transit with industry-standard TLS and SSL encryption protocols.

Verified Senders

Verify sender domains via DNS to automatically pass SPF and DKIM, or add individual sender email addresses.

Support(4 features)

Live Chat Support

Get fast, real-time help from support team directly through live chat. Available for first 14 days on free plan.

Priority SupportPremium

Access faster response times and higher support queue priority when you need urgent help.

Ticket-based Support

Submit support requests via ticketing for detailed responses from technical team.

Toll-free Phone Support

Speak with a support specialist over a toll-free line for immediate assistance. Available for first 14 days on free plan.

Deliverability(3 features)

Blacklist Monitoring

Stay ahead of blacklists by preventing the cause of problems before they happen.

Feedback Loop Monitoring

Receive reports from internet service providers when recipients mark emails as spam.

Spamtrap Detection

Identify and flag potential spamtrap addresses in lists to protect sender reputation.

Core Sending(2 features)

Email API

Send and manage emails programmatically using an API designed for fast, reliable integration with applications.

SMTP Relay

Send emails through secure SMTP servers, ensuring reliable delivery without relying on your own mail server infrastructure.

Infrastructure & Reliability(2 features)

Guaranteed Uptime SLA

Service-level agreement guaranteeing high uptime for uninterrupted email delivery.

Redundant Multi Data Center Infrastructure

Redundant infrastructure means emails will still be sent even during a major internet outage.

Cost Calculator

Keep Paying SMTP2GO

Monthly$10/mo
Yearly$120/yr
5-Year Total$600

Build It Yourself

Est. Build Time~4 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 Year
SaaS
$120
DIY
$240
3 Years
SaaS
$360
DIY
$720
5 Years
SaaS
$600
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 53 features at very easy complexity.

Ready to Build?