Customer needs to test outbound email connection through the Email Security.cloud services using telnet before sending mail.
In order to do this use the following instructions.
Open up a command prompt to initiate a telnet session. At the prompt, type the following to send a mail: [You Type] telnet cluster5out.us.messagelabs.com 25 [cluster5out.us is an example, you should use the cluster your organization has assigned] [Response] Trying [Response] Connected to cluster5out.us.messagelabs.com. [Response] Escape character is '^]'. [Response] 220 server-99.tower-999.messagelabs.com ESMTP [You Type] HELO mydomain.com [Response] 250 server-99.tower-999.messagelabs.com [You Type] MAIL FROM:<email@example.com> [Response] 250 OK [You Type] RCPT TO:<firstname.lastname@example.org> [Response] 250 OK [You Type] DATA [Response] 354 go ahead [You Type] Subject: Test, Pls Ignore [You Type] Test [You Type] . ( Ensure you type this period character on it's own line followed by pressing the enter key) [Response] 250 ok 1122906034 qp 6443 server-99.tower-999.messagelabs.com!1122905977!30337210!1 [You Type] QUIT Additional information can also be passed during the DATA command. DATA indicates that you are about to send the body of the mail. For example:
From: email@example.com To: firstname.lastname@example.org Subject: Subject of the email This is the first line in the body. This is the second line in the body.
Imported Document ID: TECH226277
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