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Use public S/MIME certificate with same domain but different email

  • 4 odpovede
  • 0 má tento problém
  • 6 zobrazení
  • Posledná odpoveď od Matt

itsTyrion
itsTyrion

Hi, I'm running into the issue where I have a public certificate issued to security@companyname.tld as they don't issue a separate one for most employees, but Thunderbird won't let me use it for sending (I think it's used when replying?) it to firstnamelastname@companyname.tld

Is there a way around this?

Hi, I'm running into the issue where I have a public certificate issued to security@companyname.tld as they don't issue a separate one for most employees, but Thunderbird won't let me use it for sending (I think it's used when replying?) it to firstnamelastname@companyname.tld Is there a way around this?

Všetky odpovede (4)

itsTyrion
itsTyrion Autor otázky

itsTyrion said
won't let me use it for sending (I think it's used when replying?) it to firstnamelastname@companyname.tld

\*let me use it for sending an email to firstnamelastname@companyname.tld (I think it's used when replying?)

Upravil(a) itsTyrion dňa

Matt
Matt
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  • Top 10 Contributor

s/mime certificates are issued per email address, not per domain. Therefore I think you need to get your own certificate for your email address. Or use PGP which will let you generate your own certificates.

itsTyrion
itsTyrion Autor otázky

nono, I have my own cert, the recipient name@compant.tld apparently doesn't, the cert shown when receiving an email from there shows that it's issued for security@company.tld

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Matt
Matt
  • Moderator
  • Top 10 Contributor

ok, you sender needs to get a valid certificate for their email address. Billy@company.tld can not use a certificate issued for security@company.tld in email

Deployment of s/mime is not something I am familiar with. but sending all mail with an s/mime certifiacte for the wrong email address is not going to work.