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products:promonitor:latest:userguide:administration:adminconfig:mailgateway
Table of Contents
Mail Gateway
Redpeaks must be configured to send reports and alerts by email, three authentication types are available:
| Type | Description |
|---|---|
| SMTP | Standard login with username and password |
| SMTP Office 365 (OAuth2) | Office 365 SMTP using modern login (OAuth2) |
| Exchange Online (Graph API) | Uses Microsoft Graph API (recommended for Microsoft 365) |
SMTP Authentication
Use this mode for internal or basic mail servers
| Field | Description |
|---|---|
| Server | Name or IP address of the mail server (example: smtpcompanycom) |
| Port | Port number (25, 465 or 587) |
| Secure TLS connection | Enable if your mail server needs TLS or STARTTLS |
| From | Email address used to send the message (example: noreply@companycom) |
| Need authentication | Enable if the server requires login |
| Username | SMTP account username |
| Password | SMTP account password |
Azure AD / Microsoft 365 Prerequisites (for OAuth2 modes)
Both SMTP Office 365 (OAuth2) and Exchange Online (Graph API) need an app in Microsoft Entra ID (previously Azure Active Directory)
1 Create the application
| Step | Action |
|---|---|
| 1 | Open Azure Portal |
| 2 | Go to Microsoft Entra ID |
| 3 | Click App registrations → New registration |
| 4 | Name it (for example: Redpeaks Mail Gateway) |
| 5 | Select Accounts in this organizational directory only (Single tenant) |
| 6 | Leave Redirect URI empty |
| 7 | Click Register |
On the app Overview page, note:
- Application (client) ID → used as Client ID
- Directory (tenant) ID → used as Tenant ID
2 Tenant ID
The Tenant ID is your company’s unique Microsoft 365 / Entra ID identifier
| Where to find it | Location in Azure Portal |
|---|---|
| Option 1 | Microsoft Entra ID → Overview → Tenant ID |
| Option 2 | App registrations → Redpeaks Mail Gateway → Overview → Directory (tenant) ID |
Copy this value into the Tenant ID field in Redpeaks
3 Add API Permissions
| Mode | Permissions to Add |
|---|---|
| SMTP Office 365 (OAuth2) | Office 365 Exchange Online → Application permissions → SMTPSend |
| Exchange Online (Graph API) | Microsoft Graph → Application permissions → MailSend |
After adding permissions, click Grant admin consent for [your tenant] and confirm
4 Create a Client Secret
| Step | Action |
|---|---|
| 1 | Go to Certificates & secrets |
| 2 | Under Client secrets, click New client secret |
| 3 | Add a short name (example: Redpeaks) and select an expiration time |
| 4 | Click Add |
| 5 | Copy the Value immediately - this is your Client Secret for Redpeaks |
5 Should you change the OAuth scope?
Normally, you do not change this field Redpeaks automatically uses the correct default scope:
| Mode | Default Scope |
|---|---|
| SMTP Office 365 (OAuth2) | https://outlook.office365.com/.default |
| Exchange Online (Graph API) | https://graph.microsoft.com/.default |
Only change it in special cases:
- If your Microsoft 365 tenant is hosted in another region or national cloud:
- US Gov:
https://graphmicrosoftus/default - Germany:
https://graphmicrosoftde/default
- If your IT or Redpeaks support tells you to use a custom resource
When using a custom scope:
- It must match the permissions granted in Azure
- You can add several scopes separated by spaces
SMTP Office 365 (OAuth2)
Used to send emails through Office 365 SMTP with OAuth2 login
| Field | Description |
|---|---|
| From | Email address used to send the message (must exist in Exchange Online) |
| Tenant ID | Paste the Directory (tenant) ID from Azure |
| Client ID | Paste the Application (client) ID from Azure |
| Client Secret | Paste the secret Value created in Certificates & secrets |
| OAuth Scope | Leave empty (default: https://outlook.office365.com/.default) |
Exchange Online / Microsoft 365 (Graph API)
Used to send emails through Microsoft Graph API (recommended)
| Field | Description |
|---|---|
| From | Email address used to send the message (Exchange Online mailbox) |
| Tenant ID | Paste the Tenant ID from Azure |
| Client ID | Paste the Application (client) ID from Azure |
| Client Secret | Paste the secret Value created in Certificates & secrets |
| OAuth Scope | Leave empty (default: https://graph.microsoft.com/.default) |
Validation
| Step | What to Do |
|---|---|
| 1 | Save the Mail Gateway settings in Redpeaks |
| 2 | Use the Test email button to check the configuration |
| 3 | If the test fails, check: |
| • | Tenant ID, Client ID and Client Secret values |
| • | Permissions (SMTPSend or MailSend) and admin consent |
| • | The From address exists and can send messages |
/home/clients/8c48b436badcd3a0bdaaba8c59a54bf1/wiki-web/data/pages/products/promonitor/latest/userguide/administration/adminconfig/mailgateway.txt · Last modified: 2025/11/25 10:29 (external edit)
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