We do not save anything. Your SMTP password, API keys, and message content are used only to send this test email. Nothing is written to disk, database, or logs on our server.

1. Choose provider

Quick preset

2. Transport

SMTP (SendGrid, Gmail, Mailgun, etc.) PHP mail() (uses this server’s default mail — not your SMTP)

3. SMTP settings

SMTP host

Port

Encryption

Use SMTP authentication

SMTP username

SMTP password / API key

4. Test message

From email

From name (optional)

Send test to

Subject

Message

Send as HTML

SMTP conversation

Server responses from the test (passwords are never shown).

What this tool does

Email Config Tester is a free online tool on usetoolsweb.com. Test SMTP or mail settings (SendGrid, Gmail, Mailgun, SES). We never save your credentials.

We process your request in real time and do not store credentials or audit results on disk.

Why use Email Config Tester

Free to use — no subscription or paywall.
No account required — open the page and start immediately.
Works on desktop, tablet, and phone in any modern browser.
Focused interface — one tool, one job, no clutter.
Clear server handling — we explain when uploads are used and how long data is kept.

How it works

Open the Email Config Tester page, enter your URL or settings and run the test, then copy or download the result. The interface labels each step so you can complete the task in one visit.

Go to the Email Config Tester tool on usetoolsweb.com.
Enter your URL or settings and run the test.
Review the output, preview, or download on the same page.
Optional: copy the result or run the tool again with new input.

Step-by-step instructions

Using Email Config Tester

Open this tool page in your browser.
Read the short description at the top for any upload limits or tips.
Enter, paste, or upload your input in the form or editor.
Click the primary action button (e.g. Convert, Generate, Minify, Run).
Copy or download the result, or adjust settings and run again.

Example

Scenario: You need a quick result without installing software.

You open Email Config Tester on your phone or laptop.
You provide the input the tool asks for.
You get the output in seconds and copy it into your project, document, or chat.

FAQs

Is Email Config Tester free?: Yes. All tools on usetoolsweb are free to use.
Do I need to create an account?: No. Every tool works without sign-up.
Is my data stored on your servers?: We process your request in real time and do not store credentials or audit results on disk.
Does it work on mobile?: Yes. The site is responsive and works in mobile browsers.
Can I use the output commercially?: You own your input and output. Check third-party licenses if the tool uses external APIs or formats.

Email Config Tester