Install and Configure Postman SMTP in WordPress on ReadySpace WebSpace
Purpose
This guide explains how to install and configure the Postman SMTP plugin in your WordPress site hosted on ReadySpace WebSpace. It ensures reliable email delivery using SMTP with STARTTLS (587) or SMTPS (465).
Who Should Use This Guide
- WordPress website owners using ReadySpace WebSpace plans
- System administrators or developers managing WordPress sites
Prerequisites
- Access to your WordPress admin dashboard
- Valid ReadySpace WebSpace email account (e.g., [email protected])
- SMTP login credentials (username and password)
Step-by-Step Implementation
1. Install Postman SMTP Plugin
- Log in to your WordPress Admin Dashboard.
- Go to Plugins > Add New.
- Search for Post SMTP Mailer/Email Log.
- Click Install Now and then Activate.
2. Open Postman SMTP Settings
- In the WordPress dashboard, go to Post SMTP.
- Click on Start the Wizard.
3. Configure Sender Information
- Enter the From Email Address (your ReadySpace email address).
- Enter the From Name (your website or business name).
- Click Next.
4. SMTP Server Settings
Use the following values based on the encryption type you prefer:
| Encryption |
SMTP Port |
Notes |
| STARTTLS |
587 |
Recommended for modern email security |
| SMTPS |
465 |
Alternative if port 587 is blocked |
5. Authentication
- Choose Yes for Authentication.
- Enter your ReadySpace email address as the Username.
- Enter your ReadySpace email account Password.
6. Save and Test
- Click Save Settings.
- Go to Send a Test Email.
- Enter a recipient email and click Send Test.
- You should now receive the test email in the recipient’s inbox.
Post-Deployment Checklist
- Verify test emails are delivered successfully
- Check email headers to confirm the correct SMTP server was used
- Ensure no emails land in spam/junk folder
Maintenance & Updates
- Keep the Postman SMTP plugin updated from the WordPress dashboard
- Update SMTP credentials if your ReadySpace email password changes
- Review email logs periodically to ensure no delivery failures
References
Need Help
If you prefer ReadySpace to implement these steps for you, our Professional Service team is available. Connect with us to schedule an appointment and let our experts handle it for you.
Last updated: September 6, 2025