Sending email that contains Hebrew characters with UTL_SMTP returns question marks

Hi,

I am using UTL_SMTP for sending emails from my databases. When the text contains characters of Hebrew the email arrives with '?' marks instead of Hebrew.

I searched for solution to this issue and I didn't found any relevant answer.

In the documentation of UTL_SMTP I found the following description:

Text (<span style="font-size: 10.0pt; color: black; background: #EEEEEE;">VARCHAR2</span>) data sent using <span style="font-size: 10.0pt; color: black; background: #EEEEEE;">WRITE_DATA</span> is converted to US7ASCII before it is sent. If the text contains multibyte characters, each multibyte character in the text that cannot be converted to US7ASCII is replaced by a '?' character. If 8BITMIME extension is negotiated with the SMTP server using the