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Editorial Team
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Asked: 2026-05-20T15:43:07+00:00

I’m currently fetching data from a MySQL database using JDBC and executeQuery . One

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I’m currently fetching data from a MySQL database using JDBC and executeQuery. One of the fields contains the email content, which I fetch via ResultSet.getString("emailBody").

The mail is sent using the following code (simplified):

Properties props = new Properties();
Session session;
Message message;

props.put("mail.smtp.host", "mysmtpserver");
session = Session.getInstance(props, null);
message = new MimeMessage(session);

message.setFrom(new InternetAddress("myaddress@example.com", "System");
message.setSubject("Automatic notification");

message.setRecipient(RecipientType.BCC,
        new InternetAddress("admin@example.com", "Admin Distribution List"));
// email contains the previously fetched value
message.setContent(email, "text/plain"); 
Transport.send(message);

This works fine for all characters, including german umlaute, brackets, etc. Unfortunately the following characters fail:

– which is displayed as ? on the mail clients
" which becomes \"
' which is sent as \'

I couldn’t find anything useful on the web, please advise. Many thanks!

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1 Answer

  1. Editorial Team

    Your mail is probably send encoded as iso-8859-1, which does not include the codepoint for en-dash. You could try to specify the charset as utf-8 in the setContent call:

    message.setContent(email, "text/plain; charset=utf-8");

    This does however not explain the problem with quotes you are seeing, but I guess these are actually two different problems.

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