CkPython

Repair MIME Formatting Problems in an Email

Demonstrates the Chilkat Email.ApplyFixups method, which repairs selected MIME-formatting problems commonly found in email produced by other software. The argument is a comma-separated list of fixup keywords. The currently defined keyword is FixRelated, which relocates HTML-related items (such as embedded images) into the appropriate MIME structure so they are not incorrectly presented as ordinary attachments. This example loads an email and applies that fixup.

Background: Not every mail program builds strictly correct MIME. A common defect is placing an inline image as a loose attachment instead of nesting it in a multipart/related enclosure, which makes it show up as a downloadable file rather than displaying in the HTML. ApplyFixups corrects such structural issues so the message renders as intended.

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import sys
import chilkat

success = False

#  Demonstrates the ApplyFixups method, which repairs selected MIME-formatting problems
#  commonly found in email produced by other software.  The argument is a comma-separated
#  list of fixup keywords.

email = chilkat.CkEmail()

success = email.LoadEml("qa_data/eml/message.eml")
if (success == False):
    print(email.lastErrorText())
    sys.exit()

#  Apply the "FixRelated" fixup, which relocates HTML-related items (such as embedded
#  images) into the proper MIME structure so they are not shown as ordinary attachments.
success = email.ApplyFixups("FixRelated")
if (success == False):
    print(email.lastErrorText())
    sys.exit()

print("Applied MIME fixups.")

#  Note: The path "qa_data/..." is a relative local filesystem path,
#  relative to the current working directory of the running application.