import re

"""
ZLE
sen.lectus@org
hac@eta
ac@[email protected]
Sed.tinc:dint","[email protected]
[email protected]
"""

"""
DOBRE
[email protected]
[email protected]
"erat nulla"@example.com
Fusce+Felis.enim.viverra@com
[email protected]
"\"tincidmt"@com.dot
" "@null.nul
"erat@noc"@gmail.com
luctus@[IPV6.....]

ZNALEZIONE
" "@null.nul
"erat@noc"@gmail.com
"erat nulla"@example.com
"\"tincidmt"@com.dot
luctus@[IPV6.....]
[email protected]
Fusce+Felis.enim.viverra@com
"""

with open('tekst.txt') as f:
    latin=f.read()
    pattern='"\w+@\w+"@\w+\.\w+'
    pattern1='"."@\S+\.\w+'
    pattern2='"\w+\s+\w+"@\w+\.\w+'
    pattern3='"\W"\w+"@\w+\.\w+'
    pattern4='\w+@\[\S+'
    pattern5='\w+\+\w+\.\w+@\w+\.\w+'
    pattern6='\w+\+\w+\.\w+\.\w+@\w+'
    pattern7='\w+@\w+\.\w+'
    pattern8='\w{6}@\w{2}\.\w+'
    patternx = '\S+@\S+\.\w+'
    patterns=[pattern, pattern1, pattern2, pattern3, pattern4,pattern5, pattern6, pattern8]
    addresses=[]
    for patern in  patterns:
        a=re.findall(patern,latin)
        print(a)