Hi Derek, If you go into Mail - Preferences - Accounts. Then highlight the e-mail account on the left. Under the 'Account Information' tab At the bottom, on the right, what is next to TLS Certificate in the drop down menu? I would change it to "None"
Try that? Graham - - - Graham Burt Managing Director smileitworks 2-4 Dubarry House, Hove Park Villas Hove, East Sussex BN3 6AE 07968 619369 - 01273 731110 www.smileitworks.com - ipod to be won! On 21 Jan 2013, at 10:51, Derek Cross <[email protected]> wrote: > Hi Ben > Yes I understand, but I don't want to fiddle until I have some expert advice! > You'll understand that many people find this message off-putting when they > receive this kind of mail message! > > Cheers > Derek > > > On 21 Jan 2013, at 10:47, Ben Rubinstein <[email protected]> wrote: > >> On 21/01/2013 09:51, Derek Cross wrote: >>> I understand this is to do with a keychain certificate issue and that I need >>> to delete the invalid certificate. >>> I admit I was fiddling with this utility a couple of months ago – about >>> another matter – and I presumably messed one up or something. >> >> The message I get says that it's been flagged because the message includes a >> digital signature, but the signature is invalid. >> >> The signature is regarded as invalid, because it was issued by a certificate >> authority that my system doesn't trust - ie it's not in my list of trusted >> authorities. The authority in question is, err, you. >> >> In other words, you've got a self-signed certificate. That isn't a problem >> in itself, it's just not a useful thing to sign general emails with. So the >> problem isn't necessarily to be resolved in your Keychain - it may be just >> finding the setting in Apple Mail that is currently set to sign outgoing >> email with that certificate, and tell it not to. >> >> ... but as I've never used Apple Mail, I've no idea where to do that, sorry! >> >> Ben >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Sussex Mac User Group" group. >> To post to this group, send an email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/smug?hl=en-GB. >> > -- You received this message because you are subscribed to the Google Groups "Sussex Mac User Group" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/smug?hl=en-GB.
