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mrzcn/Telnet-SMTP-Test

Created December 13, 2020 10:15
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Example CMD Commands for Testing a SMTP/Mail server via Telnet
Raw
Telnet-SMTP-Test
C:\Windows\System32> telnet
Microsoft Telnet> set localecho
Microsoft Telnet> set logfile c:\TelnetTest.txt
Microsoft Telnet> OPEN 10.10.10.19 465
ehlo
MAIL FROM: sender@domain.com
RCPT TO: emre@domain.com NOTIFY=success,failure
DATA
Subject: test
   
This is a test message.
.
250 2.6.0 <c89b4fcc-3ad1-4758-a1ab-1e820065d622@mail1.fabrikam.com> [InternalId=5111011082268, Hostname=mail1.fabrikam.com] Queued mail for delivery
QUIT
221 2.0.0 Service closing transmission channel
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