# Integrations

## Compatible with all relevant email providers.

Warmup Inbox integrates with any inbox with SMTP — whether it runs through a major email service provider or your own email server.

## Plug into the stack you already use

One-click warmup for the email providers your team sends from. OAuth where possible; SMTP/API where you need it.

**Gmail & Workspace**  
OAuth-connect personal Gmail or Google Workspace inboxes in seconds.

**Outlook & Microsoft 365**  
Connect Outlook, Exchange, or Microsoft 365 via OAuth — no DNS work required.

**Zoho Mail**  
Warm Zoho-hosted inboxes via SMTP. One-time setup, persistent reputation.

**Amazon SES**  
Warm sending IPs and domains hosted on AWS Simple Email Service.

**Mailgun**  
Build sending reputation on Mailgun-routed domains. SMTP integration.

**SendGrid**  
Warm SendGrid-routed inboxes and protect your sender reputation.

**Sendinblue (Brevo)**  
Connect Brevo-hosted inboxes for steady reputation across transactional and outbound.

**Any inbox with SMTP**  
Custom email server? If it speaks SMTP, we can warm it. Get in touch for setup.

## Connect your inbox in 30 seconds

No DNS work. No exports. Just OAuth (where possible) or a one-time SMTP setup.