Mailboxes are the email accounts ReachHQ uses to send your campaign emails. You need at least one connected mailbox to start sending.
Supported Providers
| Provider | Auth Methods | Notes |
|---|---|---|
| Gmail / Google Workspace | OAuth, App Password | OAuth recommended for easier setup. |
| Outlook / Microsoft 365 | OAuth, App Password | OAuth recommended for easier setup. |
| Custom SMTP/IMAP | App Password only | Requires IMAP and SMTP server details. |
Connecting via OAuth (Gmail/Outlook)
- 1
Go to Mailboxes → Connect Mailbox.
- 2
Select Gmail or Outlook.
- 3
Click 'Connect with Google' or 'Connect with Microsoft'.
- 4
A popup opens asking you to grant ReachHQ permission to send emails on your behalf.
- 5
Approve the permissions. The popup closes and your mailbox appears as CONNECTED.
Connecting via App Password
- 1
Go to Mailboxes → Connect Mailbox.
- 2
Select your provider.
- 3
Choose 'Use App Password'.
- 4
Enter your email address and app-specific password (NOT your regular password).
- 5
For SMTP providers, enter IMAP/SMTP host and port details.
- 6
Click 'Connect'. The system tests connectivity automatically.
For Gmail, generate an App Password at myaccount.google.com → Security → 2-Step Verification → App Passwords. For Outlook, check your Microsoft account security settings.
Mailbox Uniqueness
Each mailbox is unique within your organization by the combination of provider + email address. You cannot connect the same Gmail account twice, but you can connect the same email via both Gmail OAuth and SMTP if needed.