It's also probably worth ensuring that the major open source DKIM
implementations support both signing and verifying with 4096-bit keys.
Aside from OpenDKIM and dkimpy, are there any others that should be checked?
Perl Mail::DKIM is still widely used. It calls Crypt::OpenSSL::RSA which
is a wrapper around openssl so I'd be surprised if it had trouble with
large keys.
Regards,
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet for
Dummies",
Please consider the environment before reading this e-mail. https://jl.ly
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