> For the complete documentation index, see [llms.txt](https://magecomp.gitbook.io/shopify/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://magecomp.gitbook.io/shopify/apps/quo-volume-discount-tier-price/setting.md).
# Setting
## Configure Email Settings
To send post-purchase emails and notifications, configure your SMTP email settings.
## Gmail Configuration
### Step 1 – Enable 2-Step Verification
Log in to your Gmail account.
Go to:
**Profile Image → Manage your Google Account → Security → 2-Step Verification**
Enable 2-Step Verification.
### Step 2 – Generate App Password
After enabling 2-Step Verification:
* Open **App Passwords**
* Enter app name: **QUO Volume Discount Tier Price**
* Click **Create**
* Copy the generated password
### Step 3 – Save in App
Paste the generated password into the app’s **Mail Password** field and save the settings.
## Mail Server Details
You can use Gmail, Outlook, SendGrid, or any custom SMTP provider.
## Sender Email
Enter the email address from which customer emails will be sent.
Example:
If left empty, the default sender email will be used.
## SMTP Host
Enter your SMTP provider host.
Examples:
* Gmail:\
smtp. gmail.com
* Outlook:\
smtp.office365.com
## SMTP Port
Use:
* SSL → 465
* TLS → 587
## Username
Enter your SMTP email address or username.
## Password
Enter your SMTP password or Gmail App Password.
## Encryption Protocol
Select:
* TLS
* SSL
based on your SMTP provider configuration.