Custom mail listener, set UTF-8 encoding in email header for attachment name


how to set UTF-8 encoding for the name of attachments in email header? Have Croatian letters in the name of the file. For example a text file called: "att_ććććć.txt" . After the email was send to specific email address the name of the file gets wrong formatted: "att_???". I tried:

new String(attachment.getFilename().getBytes("CP1250"), "UTF-8")




MimeBodyPart.setHeader("Content-Type", "text/html")
MimeBodyPart.setHeader("Content-Transfer-Encoding", "quoted-printable")


And still won't display the name of the file correctly. Can anyone help?

Best Regards,


3 answers

could you please share the solution, I am trying to find a way to enable the site-wide support for cro letters?

Hi Sasha, sorry for the late response. You can check the solution on Look at "MimeUtility.encodeText" part. Regards, Ivan

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