HP MFP Sending Software 4.0 to 4.20 manual Verifying the Smtp gateway, Sendmail, Qmail

Software features

Sendmail

Sendmail runs as a UNIX® daemon (service). In many large networks, several Exchange servers are routed to a Sendmail gateway, which can serve as a firewall.

Qmail

Qmail is very similar to Sendmail. Qmail does not accept a bare line-feed character in any SMTP content.

Lotus Domino (Notes)

The SMTP message transfer agent (MTA) must be configured in Domino for it to work as an SMTP gateway.

Verifying the SMTP gateway

The following instructions explain how to open a telnet session and send an e-mail to verify communication with the SMTP gateway and also to verify that the SMTP gateway is correctly configured to route Internet e-mail. Use an e-mail account outside of the local network (for example, a Hotmail account) to verify communication outside of the network.

By verifying that e-mail can be sent, you can rule out any problem with the particular gateway that has been configured for HP DSS.

The default local echo setting for a telnet session is "off," which means that characters do not appear as the user types at the telnet prompt. To change the local echo setting to "on," open a command prompt window, type telnet, and then press Enter. The Telnet prompt appears. Type set LOCAL_ECHO to turn on the local echo setting.

Use the following procedure to verify the communication through the SMTP gateway.

NOTE You cannot use the backspace key in a telnet session. Any characters that are typed are sent one character at a time to the SMTP gateway, backspaces included. Note also that SMTP is not case-sensitive. The local echo setting for the telnet session must be set to "on".

To verify the SMTP gateway

1.On a networked computer, open a command prompt, type telnet <smtp gateway> 25, and then press Enter (where <smtp gateway> is the fully qualified domain name or TCP/IP address of the SMTP gateway) to establish communication with the SMTP gateway on port 25.

2.Type help and then press Enter. Note the different SMTP options that are returned.

3.To start a conversation with the SMTP gateway, type HELO <smtp gateway> and then press Enter. Note that the response contains a list of attributes as well as the type of SMTP gateway that you are communicating with.

4.To send an e-mail, type mail from: <your e-mail address> and then press Enter.

5.Type rcpt to: <your e-mail address> and then press Enter.

6.Type subject: This is a test message.

7.Type data: and then press Enter.

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