SMTP Tester (PHP)
Enter your SMTP credentials and send a test email in one click. No dependencies required.
SMTP Host
Port
Use implicit TLS/SSL — check for port 465, leave unchecked for 587 (STARTTLS)
Username
Password
From Name
From Email
To (recipient)
Subject
Message
This is a test email sent from the SMTP Tester.
Send Test Email
SMTP conversation log