I am trying to connect my gmail to python, but show me this error: I already checked my password, any idea what can be? b'[AUTHENTICATIONFAILED] Invalid credentials (Failure)' Traceback (most recent call last): File "/Users/myuser/Documents/migrations/untitled3.py", line 29, in read_email_from_gmail mail.login(FROM_EMAIL,FROM_PWD) File "/Users/myuser/opt/anaconda3/lib/python3.9/imaplib.py", line 612, in login raise self.error(dat[-1]) imaplib.IMAP4.error: b'[AUTHENTICATIONFAILED] Invalid credentials (Failure)' Here my code: Also i want to know which port I can use? import smtplib import time import imaplib import email import traceback ORG_EMAIL = "@gmail.com" FROM_EMAIL = "myemail" + ORG_EMAIL FROM_PWD = "mypassword" SMTP_SERVER = "smtp.gmail.com" SMTP_PORT = ?? def read_email_from_gmail(): try: mail = imaplib.IMAP4_SSL(SMTP_SERVER) mail.login(FROM_EMAIL,FROM_PWD) mail.select('inbox') data = mail.search(None, 'ALL') mail_ids = data[1] id_list = mail_ids[0].split() first_email_id = int(id_list[0]) latest_email_id = int(id_list[-1]) for i in range(latest_email_id,first_email_id, -1): data = mail.fetch(str(i), '(RFC822)' ) for response_part in data: arr = response_part[0] if isinstance(arr, tuple): msg = email.message_from_string(str(arr[1],'utf-8')) email_subject = msg['subject'] email_from = msg['from'] print('From : ' + email_from + '\n') print('Subject : ' + email_subject + '\n') except Exception as e: traceback.print_exc() print(str(e)) read_email_from_gmail() My main goal is be able to get the CSV file from each email, but for now I just want to read messages. Continue reading...