Email address permutations

email.py

import sys
import os

usage_message = '''
Usage :
python email.py company 'firstname1 lastname1' 'firstname2 lastname2' .... 
'''

def get_email_address_permutations(first_name, last_name, company):
    first_name = first_name.lower()
    last_name = last_name.lower()
    company = company.lower()
    addresses = [
        '{}{}@{}.com'.format(first_name, last_name[0], company),
        '{}{}@{}.com'.format(first_name[0], last_name, company),
        '{}.{}@{}.com'.format(first_name, last_name, company),
        '{}{}@{}.com'.format(first_name, last_name, company),

        # Reverse of these addresses
        '{}{}@{}.com'.format(last_name[0], first_name, company),
        '{}{}@{}.com'.format(last_name, first_name[0], company),
        '{}.{}@{}.com'.format(last_name, first_name, company),
        '{}{}@{}.com'.format(last_name, first_name, company)
    ]
    return addresses


# parse command line arguments
email_addresses = []
company = sys.argv[1].lower()
print(os.linesep)
print('Recruiter names parsed : ')
print('----------------------')
for name in sys.argv[2:]:
    first_name, last_name = name.split(' ')
    print('{} {}'.format(first_name, last_name))
    email_addresses.extend(get_email_address_permutations(first_name, last_name, company))

print(os.linesep)
print('--- Put the rest in BCC, except the first one ---')
print('-------------------------------------------------' + os.linesep)
for address in email_addresses:
    print(address)
print(os.linesep)

print('#####################################################################')
print('#### IMPORTANT - PUT THE ADDRESSES in BCC, except the first one #####')
print('#####################################################################')
print(os.linesep)