Secure email icons

Icon Description
Email signed with secure digital signature The email is digitally signed.
Encrypted email The email is encrypted.
Verified digital signature The digital signature was successfully verified.
Signature has not been verified There is not enough information to verify the digital signature.
Signature cannot be verified The digital signature failed verification.
Certificate attached A certificate is attached to the email.
Trusted certificate The certificate chain is trusted or the certificate status is good.
Certificate chain error There is an error with the certificate chain or the certificate status.
Certificate chain credentials untrusted The certificate status is being determined.
Certificate chain credentials revoked The certificate chain has been revoked.