Hi Folks,
I've done some searching on the forum but can't seem to find this being raised so here goes.
I have a 9.203-3 running, fresh install using home license, and have configured S/MIME certificates from COMODO and uploaded the relevant COMODO CA cert.
If I send a plain e-mail, just text to my work address the UTM signs the outgoing mail, no encryption, and the remote Outlook 2010 once the COMODO CA cert was imported says everything is good!
However...
If I send an e-mail with an attachment, e.g. a word document, the remote end says the sig is invalid as the content has changed.
Thinking it might be my work system I repeated the steps by send and plain / attached set of e-mails to a pop account which I then collected with thunderbird. Again the plain e-mail was OK the attachment bearing one 'Failed'.
Anyone have any idea whats going on?
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