When I try to authenticate myself with an account that uses NTLM authentication, I get an error that authentication failed and check the password, however the password is correct.
I don’t know if mailspring supports NTLM, or if the error comes from another place, but every other field is correct.
— Output from the logs —
SMTP Last Response Code: 250
SMTP Last Response: becas.av.it.pt Hello [172.16.10.15]
AUTH GSSAPI NTLM
mailsmtp Last Error Code: 296
mailsmtp Last Error Explanation: Unknown
mailsmtp Last Error Location: 10
mailsmtp Last Auth Type: 64