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56 lines
1.8 KiB
Markdown
56 lines
1.8 KiB
Markdown
# Injecting Using SMTP
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KumoMTA will listen for message injection in any
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[listener](../../reference/kumo/start_esmtp_listener/index.md)
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[defined](../..//reference/kumo/start_http_listener/index.md) in
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configuration. You have complete control over the IPs and Ports available for
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message injection.
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The ESMTP Listener will accept any properly formatted SMTP connection request
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allowed by its configuration. For instance, based on this:
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```lua
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kumo.start_esmtp_listener {
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listen = '0.0.0.0:25',
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hostname = 'mail.example.com',
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relay_hosts = { '127.0.0.1', '10.5.1.0/24' },
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}
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```
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KumoMTA will accept any SMTP injection from the local host as well as any hosts
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in the 10.5.1.0/24 CIDR block on port 25. The most basic form of "injection"
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is to test from localhost using nc or telnet.
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```
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ehlo moto
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mail from:youremail@address.com
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rcpt to:youremail@address.com
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DATA
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from:youremail@address.com
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to:youremail@address.com
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subject: My First Email
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Hey, this is my first email!
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.
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```
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If that returns a `250 OK`, then any more complex injection should work as well.
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In most campaign systems that connect with third-party MTA's, you will need to
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enter the configuration settings, and find something like "SMTP" or "OutBound
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Email" and set the SMTP Port, Hostname or IP ddress and If you have configured
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[SMTP_Auth](../..//reference/events/smtp_server_auth_plain.md),
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your injection username and password as well.
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Below is a configuration screen for [Ongage](https://www.ongage.com/)
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And this is a sample of the configuration page for
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[Mautic](https://docs.mautic.org/en/setup/how-to-install-mautic/install-mautic-from-package)
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marketing automation.
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