Fetch a Range of POP3 Messages

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Demonstrates the Chilkat MailMan.FetchRange method, which retrieves a range of messages from the POP3 mailbox and appends them to an EmailBundle. The arguments are keepOnServer, headersOnly, numBodyLines, a zero-based inclusive startIndex and endIndex, and the EmailBundle. This example fetches the first five messages.

import sys
import chilkat2

success = False

# Demonstrates the MailMan.FetchRange method, which retrieves a range of messages from the
# POP3 mailbox and appends them to an EmailBundle.  The arguments are keepOnServer,
# headersOnly, numBodyLines, startIndex, endIndex, and the EmailBundle.  The indexes are
# zero-based and inclusive.

mailman = chilkat2.MailMan()

# Configure the POP3 server connection.
mailman.MailHost = "pop.example.com"
mailman.MailPort = 995
mailman.PopSsl = True
mailman.PopUsername = "user@example.com"
mailman.PopPassword = "myPassword"

# Fetch the first 5 messages (indexes 0 through 4), full bodies, leaving them on the server.
# keepOnServer=True, headersOnly=False (fetch the entire message).
# Note: numBodyLines only applies when headersOnly is True (it sets how many lines of the
# body to include along with the headers).  When headersOnly is False, the entire message
# is fetched and numBodyLines is ignored.
bundle = chilkat2.EmailBundle()

success = mailman.FetchRange(True,False,0,0,4,bundle)
if (success == False):
    print(mailman.LastErrorText)
    sys.exit()

n = bundle.MessageCount
print("Fetched " + str(n) + " messages.")

email = chilkat2.Email()

for i in range(0,n):
    success = bundle.EmailAt(i,email)
    print(email.Subject)

# Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
# connects and authenticates -- using the property settings above -- whenever a server
# operation requires it.  Calling the explicit connect/authenticate methods can still be
# helpful to determine whether a failure occurs while connecting or while authenticating.