Send Your WiFi E-mails Through Gmail
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Summary Send your hotspot’s guest e-mails — the status-page link and the “how to pay” instructions — from your own Gmail account instead of the default MKController sender. Gmail is added as an e-mail Channel; you then switch it on per voucher. Gmail needs 2-Step Verification and a 16-character App Password (never your normal login password).
What data MKController asks for
Section titled “What data MKController asks for”When you add a Gmail channel, MKController asks for:
| Field in MKController | What it is | Example |
|---|---|---|
| Your Gmail address (the “from” / origem) | yourname@gmail.com | |
| Sender name | The name guests see as the sender | Café do Zé Wi-Fi |
| App password | A 16-character Google App Password | abcd efgh ijkl mnop |
The App password is not the same as your Gmail login password. It is a one-off password Google generates for a single app.
Step 1: Turn on 2-Step Verification
Section titled “Step 1: Turn on 2-Step Verification”App Passwords only exist once 2-Step Verification is on.
- Go to myaccount.google.com → Security.
- Under How you sign in to Google, open 2-Step Verification and finish the setup.
Step 2: Create an App Password
Section titled “Step 2: Create an App Password”- Still in Security, open App passwords (
myaccount.google.com/apppasswords). - Give it a name (e.g.
MKController) and click Create. - Copy the 16-character password shown (spaces don’t matter — you can paste
abcd efgh ijkl mnop).
Step 3: Add the Gmail channel in MKController
Section titled “Step 3: Add the Gmail channel in MKController”- Open Integrations → Channels.
- Click Add channel → choose E-mail → Continue.
- Choose the Gmail provider → Continue.
- Fill in E-mail, Sender name and App password (use the 👁 to reveal it and double-check).
- Click Continue.
Step 4: Send a test and confirm
Section titled “Step 4: Send a test and confirm”- Enter a recipient e-mail to receive the test → Send test. MKController sends a real message through your Gmail account.
- Check that inbox, then:
- I got the test — saves the channel as verified.
- Just save — saves it without confirming the test (pending).
The new channel now appears in the Channels list with an On/Off switch.
Step 5: Turn the channel on for a voucher
Section titled “Step 5: Turn the channel on for a voucher”Channels are added once for your company; each voucher opts in.
- Open the voucher → Integrations tab.
- In the Channels panel, switch on the Gmail channel.
- From now on, that voucher’s guest e-mails are sent through your Gmail account. If you enable more than one channel, the e-mail is sent through each of them.
No active channel = no e-mail. A voucher only sends e-mails while at least one channel is active. The E-mail da MKController system channel is on by default.
Troubleshooting
Section titled “Troubleshooting”- “Username and Password not accepted.” You used your normal Gmail password — create and paste an App Password instead, and confirm 2-Step Verification is on.
- App password option is missing. 2-Step Verification isn’t enabled yet, or the account is a Workspace account where the admin disabled App Passwords.
- Test never arrives. Check spam, confirm the recipient address, and confirm the sender e-mail exactly matches the Gmail account the App Password belongs to.
- Sending stopped after a while. Gmail enforces daily sending limits (~500 messages/day for free accounts). High-volume hotspots should use SendGrid instead.
Explore next: Send Your WiFi E-mails Through SendGrid · Configure Payment Gateways
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