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* use <h3> and <hr> elements to separate configuration directives * use <code> elements to mark constants, fs paths, module names etc. * fix unneeded "\_" escaping * fix list formatting
48 lines
1.2 KiB
Markdown
48 lines
1.2 KiB
Markdown
# Misc checks
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## Configuration directives
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Following directives are defined for all modules listed below.
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### fail_action `ignore` | `reject` | `quarantine`
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Default: `quarantine`
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Action to take when check fails. See [Check actions](../actions/) for details.
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---
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### debug _boolean_
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Default: global directive value
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Log both successful and unsuccessful check executions instead of just
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unsuccessful.
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---
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### require_mx_record
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Check that domain in MAIL FROM command does have a MX record and none of them
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are "null" (contain a single dot as the host).
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By default, quarantines messages coming from servers missing MX records,
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use `fail_action` directive to change that.
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---
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### require_matching_rdns
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Check that source server IP does have a PTR record point to the domain
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specified in EHLO/HELO command.
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By default, quarantines messages coming from servers with mismatched or missing
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PTR record, use `fail_action` directive to change that.
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---
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### require_tls
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Check that the source server is connected via TLS; either directly, or by using
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the STARTTLS command.
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By default, rejects messages coming from unencrypted servers. Use the
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`fail_action` directive to change that. |