Can't add Office365 account (Authentication Error - Check your username and password. (SMTP))

Bug Reports
#1

Description

To Reproduce…

Steps to reproduce the behavior:

  1. Got to add an account
  2. Select Office365
  3. Insert credentials in browser
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Expected Behavior

OAuth setup successfully

Setup

  • OS and Version: Windows 11 Pro 10.0.22000 Build 22000
    • Installation Method: installer
  • Mailspring Version: 1.9.2-6e14dad1.
#3

I’m seeing similar behaviour in V1.10.0 when trying to reconnect/reauthenticate my Office 365 account:

Sorry we had trouble logging you in.

OAuth Code exchange returned 400 Bad Request: {“error”:“invalid_request”,“error_description”:“AADSTS9002327: Tokens issued for the ‘Single-Page Application’ client-type may only be redeemed via cross-origin requests.\r\nTrace ID: 07387f22-5043-4264-a6b7-275ccdf66200\r\nCorrelation ID: 6abfd984-2b66-46b1-a228-1dac6f1d133b\r\nTimestamp: 2022-03-01 13:35:45Z”,“error_codes”:[9002327],“timestamp”:“2022-03-01 13:35:45Z”,“trace_id”:“07387f22-5043-4264-a6b7-275ccdf66200”,“correlation_id”:“6abfd984-2b66-46b1-a228-1dac6f1d133b”}

Many of us will have limited control over our Office365 account settings as they’re tied to institutions/businesses.

#4

I am getting the same error as TJC today.

#5

We were able to fix this via messing around with office365 settings, I don’t know which setting fixed it since after messing around with quite a few of them it started working later.

#6

I’m having this same exact issue.

Arimil, were you adjusting settings on the management side or as a 365 user?

For what it’s worth: I’ve been trying out a few different email clients and one thing I noticed is when the other clients used OAuth for the first time, Microsoft would as me if I wanted to allow certain permissions, and I had to hit “yes”.

I never received such a request for mailspring. It just jumped to “You’re all set!” and then failed.

#7

Changes were made on the management side, Mailspring appears to still be using SMTP to send mail. I’ve seen other solutions not need this, I assume they’re using OAuth and the Office365 API instead.

#8

Hi,

Just installed Mailspring 1.10.3 as a snap under Ubuntu 22.04 Desktop. Having exaclty the same issue.

I can see that “Fix login to Office 365 Accounts” should be fixed in this release, but still not working for me at least.

Is this a know issue being worked on or not?

#10

OK, so this solved it for me: Enable or disable SMTP AUTH in Exchange Online | Microsoft Docs

3 Likes
#11

Fantastic!!! Thanks very much - this worked for me too!

#12

Enabling SMTP auth is a really bad practice and not a solution to the problem:

3 Likes
#13

I thought they added OAUTH authentication to Mailspring? I guess they forgot to add it for SMTP then?

#14

Facing the same issue. Mailspring was Installed today (Dec-01-2022)
Ubuntu - 22.04
Mailspring - 1.10.7-5008ecc3

#15

You have to enable SMTP authentication to sign in. In your O365 account go to active users> select user> click mail tab> manage email apps> Tick SMTP authentication
and you are all set to go

1 Like
#16

I am getting the same error, and the above solutions didn’t work for me.

#17

Same error. Still not resolved.

#18

Also occurred to me. Allowing SMTP auth is not acceptable

#19

Looks like this has been an issue for a while. Using a MacBook Pro M2 Max, installed today and got my Gmail accounts set up and working. I cannot get either one of my Office 365 accounts working. Both give the same error “Authentication Error - Check your username and password. (SMTP)”.

I made sure IMAP was enabled for my user account. Also tried enabling the Authenticated SMTP. Nottaa

#20

is there any plan at this time to add oauth support without the need of disabling smtp auth?

#21

Sad that Mailspring is not looking at this. I am not sure why they are stated as one of the best email clients. I was planning to get a subscription for our org replacing Hiri and this looks worse.

#22

The error is still not resolved.