1. This is a test from MS-DOS to verify the information for email configuration is valid:
Try sending an e-mail message using SMTP commands.The SMTP commands from Windows don't show you the information you are entering. You should receive a message like "250 okay" if the command is accepted. Please execute the following steps:
Note: Enable Telnet Client and Telnet Server from Windows Components, if telnet does not work.
If you have a typo you can not delete it, you need to retype the whole line for this test.
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This is an example of an Exchange Server that is not configured propertly
Telnet Exchangeserver.domain.com 25
220 EXCHANGESERVER.domain.com Microsoft ESMTP MAIL Service ready at Mon, 2 Jun 2
helo
250 EXCHANGESERVER.domain.com Hello [192.168.0.1]
mail from: sender@domain
250 2.1.0 Sender OK
RCPT TO: recipient@domain.com
250 2.1.5 Recipient OK
DATA
354 Start mail input; end with .
This is a Test
....
550 5.7.1 Unable to relay
Again
.
250 2.6.0 [Inte
rnalId=29627056] Queued mail for delivery
421 4.7.0 Too many errors on this connection, closing transmission channel
Connection to host lost.
2. This is Powershell test:
Send-MailMessage -To "recipient@domain.com" -From sender@domain -SmtpServer "Exchangeserver.domain.com" -Subject Test
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