This guide explains how to connect your Outlook (Microsoft 365) mailbox to GetSales so you can start sending outreach emails.
Step-by-step video guide
Step 1 — Enable Authenticated SMTP in Microsoft Admin Center
Before connecting your mailbox in GetSales, you must enable Authenticated SMTP for the user in Microsoft 365.
1. Log in to Microsoft Admin Center
Sign in with your Microsoft 365 admin account.
2. Open Active Users
In the left sidebar, click Users
Open Active users
Select the user (email address) you want to connect to GetSales
3. Enable Authenticated SMTP
Open the Mail tab
Click Manage email apps
Enable Authenticated SMTP
Click Save changes
After enabling SMTP, Microsoft may need some time to apply the changes.
⏳ Wait up to 1 hour before trying to connect the mailbox in GetSales.
Step 2 — Connect Outlook in GetSales
Once SMTP is enabled and at least 1 hour has passed:
Go to Sender Profile
Open the Email tab
Click +Add New
Select Outlook
Sign in with your Microsoft credentials
Multi-Factor Authentication (Authenticator App)
When connecting for the first time, Microsoft may require additional verification using an authenticator app.
If prompted:
Install the Microsoft Authenticator app on your phone
Follow the on-screen instructions
Enter the verification code shown in the app
After successful authentication, your mailbox will be connected.
Step 3 — Configure Mailbox Settings
Once connected, you can configure:
Daily sending limit
Set how many emails per day you want to send from this mailbox.
Email signature
Add or update your signature directly in the mailbox settings.
Click Save after making changes.
Step 4 — (Recommended) Set Up a Custom Tracking Domain
To enable:
Email open tracking
Click tracking
Unsubscribe links
You need to configure a Custom Tracking Domain.
This is required if you want to:
Use the
{{ sender_unsubscribe_link }}variableTrack opens and clicks inside GetSales
You can set this up in your mailbox settings.
For detailed instructions, see our guide on Custom Tracking Domain setup.
That’s It 🎉
Your Outlook mailbox is now connected and ready for outreach.
If you have any questions or run into issues, feel free to contact our support team — we’re happy to help.


