SMTP Test Tool - Mail Server Online Test - DNS Checker
dnschecker.org › smtp-test-toolEnter the sender's email address. Enter the receiver's email address. The tool will send the test mail to that address. Check for "use Secured Connection" if the SMTP server needs a secure connection (SSL, TSL). Check for "use authentication" if the SMTP server needs this. Enter the "Username" and "Password" if you checked for "use authentication."
Online SMTP Test - Send and Check your Email Server
https://www.smtper.netTest & Check. SMTP host. host or ip address of your smtp server (example: smtp.company.com) Port. the default port is 25, but some smtp servers use a custom port (example: 587) Use Secured Connection. checked it only if the smtp server needs a secured connection (ssl, tsl) Use authentication. most of smtp servers need an authentication (login ...
Test-SmtpConnectivity (ExchangePowerShell) | Microsoft Docs
docs.microsoft.com › test-smtpconnectivityThis cmdlet is available only in on-premises Exchange. Use the Test-SmtpConnectivity cmdlet to diagnose whether an SMTP connection can successfully be established to the Receive connectors on a specific server. Although you can run this cmdlet manually to verify SMTP connectivity for a specified server, it's primarily used by Microsoft System Center Operations Manager 2007 to test your transport servers' ability to receive SMTP connections to each of the bindings on all the Receive ...