testmxlookup man page on DragonFly

testmxlookup man page on DragonFly

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TESTMXLOOKUP(1)		    Double Precision, Inc.	       TESTMXLOOKUP(1)

NAME
       testmxlookup - Look up mail relays for a domain

SYNOPSIS
       testmxlookup [domain...]

DESCRIPTION
       testmxlookup lists the names and IP addresses of mail relays that
       receive mail for the domain. This is useful in diagnosing mail delivery
       problems.

       testmxlookup sends a DNS MX query for the specified domain, followed by
       A/AAAA queries, if needed.  testmxlookup lists the hostname and the IP
       address of every mail relay, and its MX priority.

   DIAGNOSTICS
       The error message "Hard error" indicates that the domain does not
       exist, or does not have any mail relays. The error message "Soft error"
       indicates a temporary error condition (usually a network failure of
       some sorts, or the local DNS server is down).

SEE ALSO
       courier(8)[1], RFC 1035[2].

AUTHOR
       Sam Varshavchik
	   Author

NOTES
	1. courier(8)
	   [set $man.base.url.for.relative.links]/courier.html

	2. RFC 1035
	   http://www.rfc-editor.org/rfc/rfc1035.txt

Courier Mail Server		  02/10/2011		       TESTMXLOOKUP(1)

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