[ CCode ( cname = "CAMEL_CIPHER_CERT_INFO_PROPERTY_SIGNERS_ALT_EMAILS" ) ]
[ Version ( since = "3.28" ) ]
public const string CIPHER_CERT_INFO_PROPERTY_SIGNERS_ALT_EMAILS
A string containing a list of email addresses of all signers including their alternative emails.
Use unformat to break them back into separate addresses. This can be set only on the first signer of the first validity, even the addresses can belong to a different signer.