Hello,
Thanks for your inquiry!
As I mentioned before, our Spire.Email reads the name of the attachment according to the specific file, and this error you encountered is mostly related to the data in the file,
your file is very important for us to investigate your issue. Please provide us with
your input email file and
the following information to help us reproduce your issue quickly and efficiently, you can also send it to us via email (
support@e-iceblue.com). Thanks in advance!
1. Your target framework (E.g. .Net framework 4.6.1)
2. Your system information (E.g. Win7, 64 bit)
3. Your region setting (E.g. China, Chinese)
4. Your project type (E.g. console app)
Sincerely,
Marcia
E-iceblue support team