Can ESMTP be used for email delivery? I am trying to configure our own email server with PRTG. Using Telnet I am able to send emails using following commands but when I configure same settings in PRTG it says unsuccessful authentication. I think the problem is with HELO Ident. Am I right?
EHLO servername auth plain [authstring] mail from: mail@address.com rcpt to: rcpt@address.com data subject: test test .
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Hello,
If esmtp support authentication username and Password it can be used for email delivery.
The sender-SMTP must ensure that the domain parameter in a HELO command is a valid principal host domain name for the client host.
Oct, 2016 - Permalink