encsubj = subjstring.encode('us-ascii')
except UnicodeDecodeError:
if email.base64mime.base64_len(subjstring) < email.quoprimime.header_quopri_len(subjstring):
encsubj = subjstring.encode('us-ascii')
except UnicodeDecodeError:
if email.base64mime.base64_len(subjstring) < email.quoprimime.header_quopri_len(subjstring):