1. Go to https://accounts.zoho.com login to your account

2. Click on the Security tab

3. Security > App Passwords

4. Generate New Password

5. Copy the password

6. Configure

SMTP Providers="mailgun"

SMTP Providers="smtp"

Host*="smtp.zoho.com"

Port*="587"

Username*="youremail@zohomail.com"

Password*="app_password"

Security="tls"

Email From Address*="youremail@zohomail.com"

Email From Name*="Maildoll"