(CkPython) Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux

import sys
import chilkat

success = False

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

imap = chilkat.CkImap()

# Connect to an IMAP server.
# Use TLS
imap.put_Ssl(True)
imap.put_Port(993)
success = imap.Connect("imap.someMailServer.com")
if (success == False):
    print(imap.lastErrorText())
    sys.exit()

# Login
success = imap.Login("myLogin","myPassword")
if (success == False):
    print(imap.lastErrorText())
    sys.exit()

# Select an IMAP mailbox
success = imap.SelectMailbox("Inbox")
if (success == False):
    print(imap.lastErrorText())
    sys.exit()

# We can choose to fetch UIDs or sequence numbers.
fetchUids = True

# Fetch messages from the mailbox using a search criteria.
# This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
messageSet = chilkat.CkMessageSet()
success = imap.QueryMbx("NEW",fetchUids,messageSet)
if (success == False):
    print(imap.lastErrorText())
    sys.exit()

# This example will download headers, and then download
# the full email for those emails sent from a contact
# in our database.

# When downloading headers, each email object contains
# (obviously) the headers, but the body will be missing.
# Also, attachments will not be included.  However, it is
# possible to get information about the attachments
# as well as the complete size of the email.
bundle = chilkat.CkEmailBundle()
headersOnly = True
success = imap.FetchMsgSet(headersOnly,messageSet,bundle)
if (success == False):
    print(imap.lastErrorText())
    sys.exit()

# Loop over the email objects...
emailHeader = chilkat.CkEmail()
fullEmail = chilkat.CkEmail()
i = 0
numEmails = bundle.get_MessageCount()
while i < numEmails :
    bundle.EmailAt(i,emailHeader)

    # The sender's email address and name are available
    # in the From, FromAddress, and FromName properties.
    # If the sender is "Chilkat Support <support@chilkatsoft.com",
    # then the From property will hold the entire string.
    # the FromName property contains"Chilkat Support",
    # and the FromAddress property contains "support@chilkatsoft.com"
    print(emailHeader.ck_from())
    print(emailHeader.fromAddress())
    print(emailHeader.fromName())

    # Assume at this point your code checks to see if the sender
    # is one in your contacts database.  If so, this is
    # the code you would write to download the entire
    # email and save it to a file.

    # The ckx-imap-uid header field is added when
    # headers are downloaded.  This makes it possible
    # to get the UID from the email object.
    uidStr = emailHeader.getHeaderField("ckx-imap-uid")
    uid = int(uidStr)

    success = imap.FetchEmail(False,uid,True,fullEmail)
    if (success == False):
        print(imap.lastErrorText())
        sys.exit()

    # You can use the GenerateFilename method to
    # generate a unique filename...
    filename = fullEmail.generateFilename()

    # SaveEml saves the entire email, including attachments.
    success = fullEmail.SaveEml(filename)

    print("--")

    i = i + 1

# Disconnect from the IMAP server.
success = imap.Disconnect()