email library could "recover" from bad mime boundary like (some?) email clients do

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2016-05-12.15:41:58.399>
labels = ['type-feature', '3.7', 'expert-email']
title = 'email library could "recover" from bad mime boundary like (some?) email clients do'
updated_at = <Date 2016-09-21.13:21:01.103>
user = 'https://bugs.python.org/FedeleMantuano'

bugs.python.org fields:

activity = <Date 2016-09-21.13:21:01.103>
actor = 'Fedele Mantuano'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['email']
creation = <Date 2016-05-12.15:41:58.399>
creator = 'Fedele Mantuano'
dependencies = []
files = ['42830', '42831', '43016']
hgrepos = []
issue_num = 27010
keywords = ['patch']
message_count = 17.0
messages = ['265413', '265416', '265417', '265419', '265420', '266372', '266382', '266438', '266440', '268558', '268909', '271882', '274878', '275012', '277114', '277136', '277140']
nosy_count = 5.0
nosy_names = ['barry', 'r.david.murray', 'maciej.szulik', 'Fedele Mantuano', 'adepasquale']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue27010'
versions = ['Python 3.7']