How to send an email with Gmail as provider using Python

Question

I am trying to send email  Gmail  using python  but I am getting following error   Traceback  most recent call last     File  emailSend py   line 14  in  lt module gt    server login username password    File   usr lib python2 5 smtplib py   line 554  in login   raise SMTPException  SMTP AUTH extension not supported by server      smtplib SMTPException  SMTP AUTH extension not supported by server    The Python script is the following   import smtplib fromaddr    user me gmail com  toaddrs     user you gmail com  msg    Why Oh why   username    user me gmail com  password    pwd  server   smtplib SMTP  smtp gmail com 587   server starttls   server login username password  server sendmail fromaddr  toaddrs  msg  server quit

User · Answer

I ran into a similar problem and stumbled on this question. I got an SMTP Authentication Error but my user name / pass was correct. Here is what fixed it. I read this:

https://support.google.com/accounts/answer/6010255

In a nutshell, google is not allowing you to log in via smtplib because it has flagged this sort of login as "less secure", so what you have to do is go to this link while you're logged in to your google account, and allow the access:

https://www.google.com/settings/security/lesssecureapps

Once that is set (see my screenshot below), it should work.

enter image description here

Login now works:

smtpserver = smtplib.SMTP("smtp.gmail.com", 587)
smtpserver.ehlo()
smtpserver.starttls()
smtpserver.ehlo()
smtpserver.login('[email protected]', 'me_pass')

Response after change:

(235, '2.7.0 Accepted')

Response prior:

smtplib.SMTPAuthenticationError: (535, '5.7.8 Username and Password not accepted. Learn more at\n5.7.8 http://support.google.com/mail/bin/answer.py?answer=14257 g66sm2224117qgf.37 - gsmtp')

Still not working? If you still get the SMTPAuthenticationError but now the code is 534, its because the location is unknown. Follow this link:

https://accounts.google.com/DisplayUnlockCaptcha

Click continue and this should give you 10 minutes for registering your new app. So proceed to doing another login attempt now and it should work.

UPDATE: This doesn't seem to work right away you may be stuck for a while getting this error in smptlib:

235 == 'Authentication successful'
503 == 'Error: already authenticated'

The message says to use the browser to sign in:

SMTPAuthenticationError: (534, '5.7.9 Please log in with your web browser and then try again. Learn more at\n5.7.9 https://support.google.com/mail/bin/answer.py?answer=78754 qo11sm4014232igb.17 - gsmtp')

After enabling 'lesssecureapps', go for a coffee, come back, and try the 'DisplayUnlockCaptcha' link again. From user experience, it may take up to an hour for the change to kick in. Then try the sign-in process again.

User · Answer

Enable less secure apps on your gmail account and use  Python  3 6    import smtplib from email mime multipart import MIMEMultipart from email mime text import MIMEText  gmailUser    XXXXX gmail com  gmailPassword    XXXXX  recipient    XXXXX gmail com   message   f    Type your message here         msg   MIMEMultipart   msg  From     f  Your Name   lt  gmailUser  gt   msg  To     recipient msg  Subject      Subject here     msg attach MIMEText message    try      mailServer   smtplib SMTP  smtp gmail com   587      mailServer ehlo       mailServer starttls       mailServer ehlo       mailServer login gmailUser  gmailPassword      mailServer sendmail gmailUser  recipient  msg as string        mailServer close       print   Email sent    except      print   Something went wrong

User · Answer

Seems like problem of the old smtplib  In python2 7 everything works fine   Update  Yep  server ehlo   also could help

User · Answer

You can find it here  http   jayrambhia com blog send-emails-using-python  smtp host    smtp gmail com  smtp port   587 server   smtplib SMTP   server connect smtp host smtp port  server ehlo   server starttls   server login user passw  fromaddr   raw input  Send mail by the name of     tolist   raw input  To     split   sub   raw input  Subject      msg   email MIMEMultipart MIMEMultipart   msg  From     fromaddr msg  To     email Utils COMMASPACE join tolist  msg  Subject     sub   msg attach MIMEText raw input  Body       msg attach MIMEText   nsent via python    plain    server sendmail user tolist msg as string

User · Answer

Not directly related but still worth pointing out is that my package tries to make sending gmail messages really quick and painless  It also tries to maintain a list of errors and tries to point to the solution immediately   It would literally only need this code to do exactly what you wrote   import yagmail yag   yagmail SMTP  user me gmail com   yag send  user you gmail com    Why Oh why      Or a one liner   yagmail SMTP  user me gmail com   send  user you gmail com    Why Oh why      For the package installation please look at git or pip  available for both Python 2 and 3

User · Answer

import smtplib server   smtplib SMTP  smtp gmail com   587  server ehlo   server starttls   server login  fromaddress    password   msg    HI   server sendmail  fromaddress    receiveraddress   msg  server quit

User · Answer

Here is a Gmail API example   Although more complicated  this is the only method I found that works in 2019   This example was taken and modified from   https   developers google com gmail api guides sending  You ll need create a project with Google s API interfaces through their website   Next you ll need to enable the GMAIL API for your app   Create credentials and then download those creds  save it as credentials json   import pickle import os path from googleapiclient discovery import build from google auth oauthlib flow import InstalledAppFlow from google auth transport requests import Request  from email mime text import MIMEText import base64   pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib    If modifying these scopes  delete the file token pickle  SCOPES     https   www googleapis com auth gmail readonly    https   www googleapis com auth gmail send    def create message sender  to  subject  msg       message   MIMEText msg      message  to     to     message  from     sender     message  subject     subject        Base 64 encode     b64 bytes   base64 urlsafe b64encode message as bytes        b64 string   b64 bytes decode       return   raw   b64 string       return   raw   base64 urlsafe b64encode message as string      def send message service  user id  message        try      message    service users   messages   send userId user id  body message  execute        print   Message Id   s    message  id         return message      except errors HttpError  error print   An error occurred   s    error    def main           Shows basic usage of the Gmail API      Lists the user s Gmail labels              creds   None       The file token pickle stores the user s access and refresh tokens  and is       created automatically when the authorization flow completes for the first       time      if os path exists  token pickle            with open  token pickle    rb   as token              creds   pickle load token        If there are no  valid  credentials available  let the user log in      if not creds or not creds valid          if creds and creds expired and creds refresh token              creds refresh Request            else              flow   InstalledAppFlow from client secrets file                   credentials json   SCOPES              creds   flow run local server port 0            Save the credentials for the next run         with open  token pickle    wb   as token              pickle dump creds  token       service   build  gmail    v1   credentials creds         Example read operation     results   service users   labels   list userId  me   execute       labels   results get  labels            if not labels          print  No labels found        else          print  Labels        for label in labels          print label  name           Example write     msg   create message  from gmail com    to gmail com    Subject    Msg       send message  service   me   msg   if   name         main         main

User · Answer

great answer from  David  here is for Python 3 without the generic try-except   def send email user  password  recipient  subject  body        gmail user   user     gmail pwd   password     FROM   user     TO   recipient if type recipient  is list else  recipient      SUBJECT   subject     TEXT   body        Prepare actual message     message      From   s nTo   s nSubject   s n n s            FROM       join TO   SUBJECT  TEXT       server   smtplib SMTP  smtp gmail com   587      server ehlo       server starttls       server login gmail user  gmail pwd      server sendmail FROM  TO  message      server close

User · Answer

import smtplib      fromadd  from gmail com      toadd  send gmail com       msg    hi how r u        username  abc gmail com      passwd  password       try          server   smtplib SMTP  smtp gmail com 587           server ehlo           server starttls           server login username passwd           server sendmail fromadd toadd msg          print  Mail Send Successfully           server quit       except          print  Error unable to send mail       NOTE https   www google com settings security lesssecureapps that                                                         should be enabled

User · Answer

This Works Create Gmail APP Password  After you create that then create a file called sendgmail py Then add this code     usr bin env python3   - - coding  utf-8 - -                                                                                   Created By    Jeromie Kirchoff   Created Date  Mon Aug 02 17 46 00 PDT 2018                                                                                   Imports                                                                                 import smtplib                                                                                    SET EMAIL LOGIN REQUIREMENTS                                                                                 gmail user    THEFROM gmail com  gmail app password    YOUR-GOOGLE-APPLICATION-PASSWORD                                                                                         SET THE INFO ABOUT THE SAID EMAIL                                                                                 sent from   gmail user sent to     THE-TO gmail com    THE-TO gmail com   sent subject    quot Where are all my Robot Women at  quot  sent body     quot Hey  what s up  friend  n n quot                quot I hope you have been well  n quot                quot  n quot                quot Cheers  n quot                quot Jay n quot    email text    quot  quot  quot   From   s To   s Subject   s   s  quot  quot  quot     sent from   quot    quot  join sent to   sent subject  sent body                                                                                     SEND EMAIL OR DIE TRYING      Details  http   www samlogic net articles smtp-commands-reference htm                                                                                  try      server   smtplib SMTP SSL  smtp gmail com   465      server ehlo       server login gmail user  gmail app password      server sendmail sent from  sent to  email text      server close        print  Email sent    except Exception as exception      print  quot Error   s  n n quot    exception   So  if you are successful  will see an image like this  I tested by sending an email from and to myself    Note  I have 2-Step Verification enabled on my account  App Password works with this    for gmail smtp setup  you must go to https   support google com accounts answer 185833 hl en and follow the below steps  This setting is not available for accounts with 2-Step Verification enabled  Such accounts require an application-specific password for less secure apps access

User · Answer

def send email user  pwd  recipient  subject  body       import smtplib      FROM   user     TO   recipient if isinstance recipient  list  else  recipient      SUBJECT   subject     TEXT   body        Prepare actual message     message      From   s nTo   s nSubject   s n n s            FROM       join TO   SUBJECT  TEXT      try          server   smtplib SMTP  smtp gmail com   587          server ehlo           server starttls           server login user  pwd          server sendmail FROM  TO  message          server close           print  successfully sent the mail      except          print  failed to send mail    if you want to use Port 465 you have to create an SMTP SSL object     SMTP SSL Example server ssl   smtplib SMTP SSL  smtp gmail com   465  server ssl ehlo     optional  called by login   server ssl login gmail user  gmail pwd      ssl server doesn t support or need tls  so don t call server ssl starttls    server ssl sendmail FROM  TO  message   server ssl quit   server ssl close   print  successfully sent the mail

User · Answer

You down with OOP      usr bin env python   import smtplib  class Gmail object       def   init   self  email  password           self email   email         self password   password         self server    smtp gmail com          self port   587         session   smtplib SMTP self server  self port                  session ehlo           session starttls           session ehlo         session login self email  self password          self session   session      def send message self  subject  body               This must be removed             headers                  From      self email               Subject      subject               To      self email               MIME-Version  1 0               Content-Type  text html           headers     r n  join headers          self session sendmail              self email              self email              headers     r n r n    body    gm   Gmail  Your Email    Password    gm send message  Subject    Message

User · Answer

You need to say EHLO before just running straight into STARTTLS  server   smtplib SMTP  smtp gmail com 587   server ehlo   server starttls     Also you should really create From   To  and Subject  message headers  separated from the message body by a blank line and use CRLF as EOL markers  E g  msg    quot  r n quot  join      quot From  user me gmail com quot      quot To  user you gmail com quot      quot Subject  Just a message quot      quot  quot      quot Why  oh why quot        Note  In order for this to work you need to enable   quot Allow less secure apps quot  option in your gmail account configuration  Otherwise you will get a  quot critical security alert quot  when gmail detects that a non-Google apps is trying to login your account

User · Answer

There is a gmail API now  which lets you send email  read email and create drafts via REST  Unlike the SMTP calls  it is non-blocking which can be a good thing for thread-based webservers sending email in the request thread  like python webservers   The API is also quite powerful     Of course  email should be handed off to a non-webserver queue  but it s nice to have options    It s easiest to setup if you have Google Apps administrator rights on the domain  because then you can give blanket permission to your client  Otherwise you have to fiddle with OAuth authentication and permission   Here is a gist demonstrating it   https   gist github com timrichardson 1154e29174926e462b7a

[python] How to send an email with Gmail as provider using Python?

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