p231970
p231970
ESET Internet Security 14.0.22.0 reports about trojan WIN64/Exploit.CVE-2020-16907.A 
to make it working in case UndeliveredMessagePart is not of type MessagePart
I have this System.InvalidCastException: Unable to cast object of type 'MimeKit.TextPart' to type 'MimeKit.MessagePart'. at MailBounceDetector.BounceDetectResult..ctor(MimeMessage message, MimeEntity deliveryNotification, MessageDeliveryStatus deliveryStatus, MimeEntity undeliveredMessagePart) at MailBounceDetector.StandardBounceDetector.Detect(MimeMessage message) at MailBounceDetector.BounceDetector.Detect(MimeMessage message)
I got extended delivery status code which crashes detector. `Action: failed` `Status: 5.7.133` `Diagnostic-Code: smtp;550 5.7.133 RESOLVER.RST.SenderNotAuthenticatedForGroup; authentication required; Delivery restriction check failed because the sender was not authenticated when...