Hello list

Since yesterday I have noticed errors sending mail to Apple's icloud service if the message contains a (valid) S/MIME or PGP signature:

> host mx3.mail.icloud.com[17.172.34.65] said: 550 5.7.1 Command rejected (in reply to end of DATA command)

If the same mail is unsigned / does not contain the signature file (smime.p7s or signature.asc) it is being accepted.

Does anybody else see the same behaviour?

thx
lukn

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