Re: Raspberry pi 3B - Authentication Error when trying to Read Gmail

Hi Glen,

When you say "I read somewhere that I should change the security of the 
gmail account to allow less secure apps but changing this didn't change 
the outcome!", what did you do exactly?
Have you followed the instructions as per this page?
https://support.google.com/accounts/answer/185833

Best regards,
Patrick

On 2020-02-03 23:28, Glen Hikvision wrote:
> I am using a Raspberry pi 3B to try to access Gmail and bring certain
> emails on to the Rpi to massage with Python scripts. I set this up 
> using
> Getmail and ProcMail to do what I wanted numerous months ago and had it
> working nicely! However, I got involved with other projects and only
> recently got back to this project. My original success was with a 
> Raspberry
> using the Raspian Stretch OS. Before I got back to this project, I 
> updated
> the Raspberry to the newer Raspian Buster OS, and it was at that point 
> that
> I ran into Authentication errors! I tried numerous things and then 
> finally
> went back to the older OS to see if I could get it to work... however, 
> I am
> now getting the same errors with the old OS also!
> 
> Here is my getmailrc file:
> 
> [retriever]
> type = SimpleIMAPSSLRetriever
> server = imap.gmail.com
> port = 993
> username = myemailname
> password = mycleverpassword
> 
> [destination]
> type = MDA_external
> path = /usr/bin/procmail
> arguments = ("-f", "%(sender)")
> 
> [options]
> read_all = false
> delete = false
> message_log = ~/.getmail/log-getmail
> 
> When logging on to my headless Raspberry, using a PuTTY terminal 
> session, I
> enter the command *'getmail'* I receive the following response...
> 
> pi@raspberrypi:~ $ getmail
> getmail version 4.54.0
> Copyright (C) 1998-2012 Charles Cazabon.  Licensed under the GNU GPL
> version 2.
> SimpleIMAPSSLRetriever:[email protected]:993:
> getmailrc: credential/login error ([AUTHENTICATIONFAILED] Invalid
> credentials (Failure))
>   0 messages (0 bytes) retrieved, 0 skipped
> 
> I also tried the getmail --dump command and here are the results:
> 
> pi@raspberrypi:~ $ getmail --dump
> getmail version 4.54.0
> Copyright (C) 1998-2012 Charles Cazabon.  Licensed under the GNU GPL
> version 2.
> getmail configuration:
>   getmail version 4.54.0
>   Python version 2.7.13 (default, Sep 26 2018, 18:42:22)
> [GCC 6.3.0 20170516]
>   retriever:  SimpleIMAPSSLRetriever(ca_certs="None", certfile="None",
> getmaildir="/home/pi/.getmail/", keyfile="None", 
> mailboxes="(u'INBOX',)",
> move_on_delete="None", password="*", port="993", 
> server="imap.gmail.com",
> ssl_ciphers="None", ssl_         fingerprints="()", ssl_version="None",
> timeout="180", use_cram_md5="False", use_kerberos="False", 
> use_peek="True",
> username="myemailname")
>   destination:  MDA_external(allow_root_commands="False", 
> arguments="('-f',
> '%(sender)')", command="procmail", group="None", ignore_stderr="False",
> path="/usr/bin/procmail", unixfrom="False", user="None")
>   options:
>     delete : False
>     delete_after : 0
>     delete_bigger_than : 0
>     delivered_to : True
>     fingerprint : False
>     logfile : logfile(filename="~/.getmail/log-getmail")
>     max_bytes_per_session : 0
>     max_message_size : 0
>     max_messages_per_session : 0
>     message_log : ~/.getmail/log-getmail
>     message_log_syslog : False
>     message_log_verbose : False
>     read_all : False
>     received : True
>     verbose : 1
> 
> 
> I read somewhere that I should change the security of the gmail account 
> to
> allow less secure apps but changing this didn't change the outcome!
> 
> Hopefully you can shed some light on why this isn't working. Thanks.
> 
> Gary