dkim-testkey - DKIM filter installation test
dkim-testkey -d domain -s selector [-k keypath]
dkim-testkey verifies the setup of signing and verifying (private and
public) keys for use with dkim-filter(8).
The test program will read a domain name and selector from the command
line, then query and parse the resulting DKIM key, reporting any errors
If a key path is also provided, the test program will read the private
key named and attempt to confirm that the private key specified by
keypath and the public DKIM key retrieved match.
Names the domain in which signing is to be done. More
specifically, names the domain in which the public key matching
the provided private key will be found. This parameter must be
Specifies the path to the private key file which should be used
for this test. This parameter is optional.
Names the selector within the specified domain whose public key
should be retrieved and compared to the private key provided.
This parameter must be provided.
The test program will also complain if the private key file is readable
by anyone other than the user executing the program.
Other sanity checks may be added in later versions.
This man page covers the version of dkim-testkey that shipped with
version 2.8.0 of dkim-filter.
Copyright (c) 2007, 2008, Sendmail, Inc. and its suppliers. All rights
RFC4871 - DomainKeys Identified Mail
Sendmail, Inc. dkim-testkey(8)