293 questions
1
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115
views
YANDEX SMTP Authentication
I have scripts, which create reports and send from yandex mail to corporate .outlook mails. It worked fine last couple years, then stopped working a day ago.
I checked all settings and configured ...
- 19
1
vote
0
answers
242
views
Sending mail using smtp-mail.outlook.com error "Authentication unsuccessful, basic authentication is disabled"
I know there are many questions and answers about this subject.
But I didn't find any solution.
The code is quite simple, I am only sending an email via smtp-mail.outlook.com.
For a while we are ...
- 2,537
1
vote
1
answer
281
views
How to set up SonarQube SMTP without authentication?
We are using SonarQube server v2025.1.1. In the past we upgraded from former LTA versions. I'd guess the first such LTA version was 7.9.
Our SonarQube instance and our SMTP server both runs on a local ...
- 1,220
0
votes
1
answer
2k
views
Authenticating to Microsoft 365 SMTP servers via OAuth2 only works for users without MFA
I am trying to migrate a legacy application that sends emails via SMTP to use OAuth2 tokens instead of the classic username/password combination.
I'm authenticating against Microsoft 365, but I have a ...
- 8,231
1
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0
answers
356
views
smtplib.SMTPAuthenticationError: (535, b'5.7.139 Authentication unsuccessful, the user credentials were incorrect')
I am trying to integrate SMTP Email Service of Outlook in my project and And I am getting the above mentioned Error in the title. I am trying to trigger Automated email after certain operation ...
3
votes
0
answers
1k
views
Error "535 5.7.139 Authentication unsuccessful, basic authentication is disabled" OR "incorrect credential error"
When I'm performing scan-to-email from the printer encountering the below error
I get the same error "535 5.7.139 Authentication unsuccessful, basic authentication is disabled" or "...
0
votes
1
answer
144
views
Basic Authentication removed by Microsoft recently. Is there another way an Oracle app can use SMTP from a Hotmail account?
I'm using Oracle 21.C. I have been using Oracle's UTIL_SMTP for years to send mailings from a Hotmail account. From what I understand, Microsoft recently sunset "Basic Authentication" for ...
- 825
0
votes
1
answer
97
views
Django SMTPAuthenticationError when using the same variable name for EMAIL_HOST_PASSWORD in .env and settings.py
I am working on a Django project where I use Gmail for email services. I have the following configuration in my .env file:
[email protected]
EMAIL_HOST_PASSWORD=password
And in my ...
0
votes
0
answers
43
views
Suddenly receivers-email ID doesn't receive any Email
I have developed a php application on a Linux server, everything works ok from months,the application work okay and send emails via a button to customers(receivers), Suddenly, I can't send any email ...
0
votes
0
answers
164
views
Is it possible to implement smtp Oauth2 without generation application or without client id and client secret
I Want to implement SMTP Oauth2 without generation application or without client id and client secret.
Does it possible ?
I have username and password based on that can i get token and implement ...
- 524
1
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0
answers
225
views
Failed to start TLS: 421 Local Error, closing transmission channel
Title: Error: Failed to start TLS when sending OTP email using Mailtrap in Go
Description:
I'm working on implementing OTP email verification for user sign-in in my Go application using Mailtrap as ...
0
votes
1
answer
3k
views
Office365 SMTP Mail Error on Auth: 535 5.7.139 Authentication unsuccessful. (Works fine locally) [duplicate]
We are using Office365 business basic. We are using one of our licensed account for SMTP email to send main to our users (outsiders). Our smtp client is written on GO lang. The service was working ...
- 409
2
votes
1
answer
87
views
Authentication failure for AWS SMTP on Android 64
I have a Delphi 11 FMX app. Until recently I was using TLS 1.0 to connect to AWS SMTP. When I switched to TLS 1.2, Win32, Win64 and Android 32 continued to work correctly, but on Android 64 I am ...
- 1,003
1
vote
0
answers
223
views
GoogleAPI service account OAuth2 authentication fails with 'Syntax error'
CONTEXT:
Sending mail SMTP via Google API php ‘Client’ interface and smtp.gmail.com gateway using a service account (i.e. with 2-legged OAuth2 flow).
PROBLEM: Authentication with an access token ...
- 381
0
votes
0
answers
190
views
How to configure SMTPServer options with pem key and cert?
The guidance here: https://nodemailer.com/extras/smtp-server/ ... indicated that I should configure my SMTP server (in production) like so:
Example code from nodemailer site:
const server = new ...
- 206