Emails

Each major email provider has theit own SMTP(Simple mail Transfer protocol) server

Provider	SMTP server domain name
Gmail	smtp.gmail.com
Yahoo mail	smtp.mail.yahoo.com

For Gmail users, we will need to generate an app password instead of normal password. This let's gmail know that the python script attempting to access the account is authorized by you.

Sending Emails

Generate App password for your gmail
https://support.google.com/accounts/answer/185833?hl=en

## eysackwdogjanekv

import smtplib

mail_server = smtplib.SMTP('smtp.gmail.com',587)

mail_server.ehlo()

(250,
 b'smtp.gmail.com at your service, [2601:246:5500:4340:de5:8b30:f503:796]\nSIZE 35882577\n8BITMIME\nSTARTTLS\nENHANCEDSTATUSCODES\nPIPELINING\nCHUNKING\nSMTPUTF8')

mail_server.starttls()

(220, b'2.0.0 Ready to start TLS')

password = input('Please provide your password:')

Please provide your password:hKjhi

import getpass

email = getpass.getpass('Please provide the email:')

Please provide the email:········

password = getpass.getpass('Please provide the password:')

Please provide the password:········

mail_server.login(email,password)

(235, b'2.7.0 Accepted')

from_address = email
to_address = 'sreebhavya.11@gmail.com'
subject = 'Hi-Python Script'
message = 'Test Script'
msg = 'Subject: '+subject+'\n'+message

mail_server.sendmail(from_address, to_address, msg)

{}

mail_server.quit()

(221, b'2.0.0 closing connection h11sm11029722ilh.69 - gsmtp')

Receiving mails

import imaplib

mail_server = imaplib.IMAP4_SSL('imap.gmail.com')

import getpass

email = getpass.getpass('Enter your email address:')
password = getpass.getpass('Enter your password:')

Enter your email address:········
Enter your password:········

mail_server.login(email,password)

('OK', [b'whoiskr@gmail.com authenticated (Success)'])

mail_server.list()

('OK',
 [b'(\\HasNoChildren) "/" "INBOX"',
  b'(\\HasNoChildren) "/" "Notes"',
  b'(\\HasChildren \\Noselect) "/" "[Gmail]"',
  b'(\\All \\HasNoChildren) "/" "[Gmail]/All Mail"',
  b'(\\Drafts \\HasNoChildren) "/" "[Gmail]/Drafts"',
  b'(\\HasNoChildren \\Important) "/" "[Gmail]/Important"',
  b'(\\HasNoChildren \\Sent) "/" "[Gmail]/Sent Mail"',
  b'(\\HasNoChildren \\Junk) "/" "[Gmail]/Spam"',
  b'(\\Flagged \\HasNoChildren) "/" "[Gmail]/Starred"',
  b'(\\HasNoChildren \\Trash) "/" "[Gmail]/Trash"'])

mail_server.select('INBOX')

('OK', [b'14006'])

typ, data = mail_server.search(None, 'SUBJECT Test-Python')

typ

'OK'

data

[b'14006']

email_id = data[0]
email_id

b'14006'

result, email_data = mail_server.fetch(email_id, '(RFC822)')

## email_data

result

'OK'

raw_email = email_data[0][1]

raw_email_string = raw_email.decode('utf-8')

import email
email_message = email.message_from_string(raw_email_string)

email_message

<email.message.Message at 0x7fa1387ee9d0>

for part in email_message.walk():

    if part.get_content_type() == 'text/plain':
        body = part.get_payload(decode = True)
        print(body)

b'Test Script\r\n'