12,018 questions
0 votes
0 answers
37 views
Users receive duplicate emails when sending to multiple google groups
I have a C# application that sends emails using System.Net.Mail.SmtpClient. I send emails to multiple Google Group distribution lists. Some users belong to more than one group, so they end up ...
-1 votes
0 answers
48 views
Sending emails with MailKit stopped working on some servers [closed]
I've got a C# Windows service that sends out an email using MailKit when the service is started (or if there's been an error). This has been working flawlessly for years. At some point on 23/11, it ...
0 votes
0 answers
27 views
NestJS SMTP Notifications always connects to 127.0.0.1:587 Instead of database configuration
I'm working on osmo-x, an open-source notification management API built with NestJS, typeORM, and bullMQ. It supports multiple notification channels (SMTP, Mailgun, SMS, etc.) where provider ...
Advice
1 vote
1 replies
69 views
Why don't we use HTTP for everything instead of SMTP?
We can fully emulate SMTP with current technology. Clearly, I can send a JSON containing the title, the body, and any other email information. The forwarding and replying mechanism can just be regular ...
0 votes
0 answers
41 views
What cause this Airflow EmailOperator Error?
I am using Airflow 3.x for a personal task and faced this error Failure caused by [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1010) source=task.stdout What I want to do is send an email ...
0 votes
1 answer
48 views
"SMTPAuthenticationError: Authentication disabled due to threshold limitation" on production server on AWS
I've set-up email sending in my Django project that is deployed on AWS. When I run it locally the emails go out without a problem, but when I try it on production server on EC2 ubuntu VM, I get ...
0 votes
0 answers
57 views
Trying to configure SMTP OAuth for email but getting "535 5.7.3 Authentication unsuccessful" when trying to use "authorization_code" as grant type
I created a registered app in Azure and getting the access token issued to me via Postman. When I receive a token from Azure with "client credentials" as the grant type, the Python script ...
0 votes
0 answers
27 views
SMTP Error: server does not support secure connection [duplicate]
Try ' Force TLS 1.2 (needed for .NET 4.0/4.5) System.Net.ServicePointManager.SecurityProtocol = DirectCast(3072, Net.SecurityProtocolType) ' Create mail Dim mail As New MailMessage() ...
1 vote
0 answers
69 views
Facing issue with SMTP gmail while sending mail using jakarta email throwing jakarta.mail.MessagingException: Could not convert socket to tls
When sending mail using Jakarta email throwing below exception Using these dependencies jakarta.activation-2.0.1.jar jakarta.mail-2.0.2 jakarta.mail.MessagingException: Could not convert socket to ...
1 vote
1 answer
63 views
How to send sms in python from icloud account to koodo texto msg.koodomobile.com
it is possible to send email as plain text from python code to mms koodomobile? Here is an example, it doesn’t return me any errror like it is working, if I try an normal hotmail adress to the sender ...
1 vote
1 answer
145 views
PHPMailer SMTP Error: Cannot assign requested address (99)
I'm trying to send an email using PHPMailer, but I'm getting the following error: SMTP Error: Could not connect to SMTP host. Failed to connect to server SMTP server error: Failed to connect to server ...
0 votes
0 answers
42 views
Email Encoding Issue [duplicate]
I send SMTP mail using PHP but there is an issue with the encoding. $headers = "Content-type: text/html; charset=UTF-8\n"; Email message sent: Where there's a dream Email message received: ...
0 votes
1 answer
93 views
CodeIgniter email function does not work on Prohoster SMTP
My website was developed in PHP using the CodeIgniter framework. On the development server, everything worked perfectly, but after migrating the site to Prohoster, the email sending feature stopped ...
0 votes
0 answers
103 views
How to send email through GMail account using Jakarta Mail 2.0.1, OAuth2, SMTP and TLS 1.2
Adding email notification (send only) capability to my Java desktop app using Jakarta Mail 2.0.1. In the Google Cloud Console have: The GMail API enabled. An OAuth2 client, Client ID and Client ...
0 votes
0 answers
29 views
Azure Communication Service: SMTP-gebruiker koppelen aan App Registration lukt niet (Unknown / Not applicable)
Ik probeer via Azure Communication Services (ACS) e-mails te verzenden vanuit een Laravel-applicatie via SMTP, maar ik loop tegen het volgende probleem aan: Huidige situatie Resource group bevat: ...