(CkPython) Transition from MailMan.MxLookupAll to the Chilkat DNS class

Provides instructions for replacing deprecated MxLookupAll method calls with the Chilkat Dns class.

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

mailman = chilkat.CkMailMan()

# ...
# ...

emailAddr = "joe@example.com"

# ------------------------------------------------------------------------
# The MxLookupAll method is deprecated:

# sa is a CkStringArray
sa = mailman.MxLookupAll(emailAddr)
if (mailman.get_LastMethodSuccess() == False):
    print(mailman.lastErrorText())
    sys.exit()

# ...
# ...

# ------------------------------------------------------------------------
# Do the equivalent using the Chilkat DNS class

dns = chilkat.CkDns()

json = chilkat.CkJsonObject()

# This gets all MX domains for an email address.  (Typically one domain.)
# The preferred domain will be at index 0 (see below).
success = dns.Query("MX",emailAddr,json)
if (success == False):
    print(dns.lastErrorText())
    sys.exit()

i = 0
count_i = json.SizeOfArray("answer.mx")
while i < count_i :
    json.put_I(i)
    domain = json.stringOf("answer.mx[i].domain")
    print(domain)
    i = i + 1