Alessandro Vesely via mailop wrote on 2023-05-24 18:37:
Considering just DKIM tests, this one is the only tester which
explicitly and clearly recognizes ed25519 signatures. For the rest,
EmailAudit reported a pass, but then said "DKIM key size is 0 bits.
More senders are starting to use 2048
Benoit Panizzon via mailop wrote on 2023-05-23 15:35:
Hi List
I'm surprised...
six-group.com is the biggest payment platform in Switzerland. Of course
they use SPF to protect their domain from being abused by phishers.
six-group.com does not use DMARC, so I would say there is room to
Florian Vierke via mailop wrote on 2023-04-27 10:01:
I had the same question and the quoted sentence still doesn't explain the why
for me. The key rotation explains, that it is possible to publish the keys
without a harm for you, but I don't see a benefit for anybody in publishing the
old
Matthäus Wander via mailop wrote on 2023-04-20 10:55:
Hello everyone,
what's the experience with DKIM signatures with RSA keylengths larger
than 2048 bits? Is it supported by verifiers? Any known incompatibilities?
The Cisco Secure Email Gateway (formerly Cisco ESA) and their
cloud-based
Hello everyone,
what's the experience with DKIM signatures with RSA keylengths larger
than 2048 bits? Is it supported by verifiers? Any known incompatibilities?
RFC 6376 requires verifiers to validate 512 to 2048-bit RSA signatures.
RFC 8301 changes this requirement to 1024 to 4096 bits. I'm
