[Users] Gmail blocking Claws at IMAP auth

Piotr ps.claws at smyrak.com
Wed Nov 4 09:01:41 CET 2015

On Śr Listopada 4 2015, 8:52 am, Albert ARIBAUD wrote:
> Hi Piotr,
> Le Wed, 4 Nov 2015 08:41:01 +0100 (CET)
> "Piotr" <ps.claws at smyrak.com> a ĂŠcrit:
>> Hi,
>> Am I the only one to face Gmail refusing to accept IMAP logins from
>> Claws?
>> [21:36:36] IMAP4> Logging ***@***.com to imap.gmail.com using LOGIN
>> [21:36:37] IMAP4< Please log in via your web browser:
>> https://support.google.com/mail/accounts/answer/78754 (Failure)
>> [21:36:37] *** error: IMAP4< Alert: Please log in via your web
>> browser: https://support.google.com/mail/accounts/answer/78754
>> (Failure) [21:36:37] ** warning: IMAP error on imap.gmail.com: LOGIN
>> error [21:36:37] IMAP4< Error logging in to imap.gmail.com
>> I am using version 3.11.1-1ubuntu1ppa1 from Ubuntu's PPA:
>> https://launchpad.net/~claws-mail/+archive/ubuntu/ppa
>> Are you guys aware of the issue? It seems that Claws has been put by
>> Google into "less secure apps" category for some reason.
>> There is a workaround to the problem that allows users of "less secure
>> apps" to disable the block.
>> https://support.google.com/accounts/answer/6010255
>> Although I really would like to understand what's wrong with Claws.
>> Anybody?
> Did you read the URL sent back by the GMail server above, about logging
> in on the Web first? This might be needed so that GMail trusts your IP
> address, you never know.

Yes. I was trying to login from company network where dozens of people log
in from the very same externally visible IP.

> Also, I have recently hit a slightly different error message for GMail
> POP when I recreated my gmail account in Claws: at first I used my
> "main" GMail password, and this was rejected with an indication that I
> had to generate and use an "app password" instead. Maybe the same
> applies to IMAP.

It's likely not my case, since I have no 2 factor auth turned on.


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