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23 lines
922 B
HTML
23 lines
922 B
HTML
<header>SMTP server response on fqdn violation</header>
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<center><tt>non_fqdn_reject_code</tt></center>
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<hr>
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This parameter specifies the SMTP server response code when a mail violates the
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<tt>reject_non_fqdn_hostname</tt> or <tt>reject_non_fqdn_sender</tt>
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or <tt>reject_non_fqdn_recipient</tt> rule that are:<br>
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<i>Access denied: Invalid domain for client HELO hostname, sender or recipient email address (not FQDN)</i><br>
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<br>
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Note that the postfix default value used for <tt>non_fqdn_reject_code</tt> is
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code 504, and this code in 'standard RFC 822' should means
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'Command parameter not implemented'.
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So with Postfix, a <tt>non_fqdn_reject_code</tt> rule violation does not reflect exactly
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the RFC822 explanation of reported code.<br>
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<p>
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To avoid confusion, you can change this to 578 for example, otherwise, do not change
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this unless you have a complete understanding of RFC 822.
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</p>
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<hr>
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