#!/usr/bin/env python

from email.mime.text import MIMEText

text = '\n'.join([
    'Some text with a very',
    'long' + 'g'*1000,
    'line',
])
mimetext = MIMEText(text, 'plain')
serialized = mimetext.as_string()

max_line_length = max(len(line) for line in serialized.splitlines())
print('Max line length: {}'.format(max_line_length))
if max_line_length <= 998:
    print('OK')
else:
    print('FAILED')