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Attachment names containers newline and carriage return after upgrade

We recently upgraded Aspose.Email from version 19.3 to 20.6 and am running into some problems after the upgrade.

For certain emails the attachment names now contain newline and carriage return characters that doesn’t seem like they should be part of the attachment name.

Example code:

LoadOptions loadOptions = new EmlLoadOptions();

MapiMessage msg = MapiMessage.load(filename, loadOptions);

System.out.println(StringEscapeUtils.escapeJava(msg.getSubject()));

msg.getAttachments().forEach( attachment -> {
  // Output escaped attachment name
  System.out.println(String.format("Attachment name: %s", StringEscapeUtils.escapeJava(attachment.getDisplayName())));
)};

When running with this file: sample.eml.zip (5.6 KB) we see:

Fwd: This is an email with a very long subject line, it would probably span multiple lines in the resulting EML file(Aspose.Email Evaluation)
Attachment name: This is an email with a very long subject line, it would probably\r\n span multiple lines in the resulting EML file

As you can see there are \r\n inside the attachment name that doesn’t seem to belong there. If we run this code using Aspose 19.3 we instead get:

Fwd: This is an email with a very long subject line, it would probably span multiple lines in the resulting EML file(Aspose.Email Evaluation)
Attachment name: This is an email with a very long subject line, it would probably span multiple lines in the resulting EML file

@sbd,

I have created a ticket with ID EMAILNET-39894 in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed.

The issues you have found earlier (filed as EMAILNET-39894) have been fixed in this update.