In older Versions (e.g. 23.11.) MailMessage had an encrypt method that took an array of X509Certificate2 as parameter so we were able to encrypt a MailMessage for multiple recipients.
It seems the API has changed in new…...MailMessage for multiple recipients Aspose.Email Product Family email-java...24, 2025, 7:09am 1 In older versions (e.g. 23.11.) MailMessage...