Email

Great Reads

Create and Send An Email Reply in C# / VB.NET

by JosipK, Marko Kozlina

C# and VB.NET console applications that demonstrate how to create and send an email reply with IMAP and SMTP protocols in .NET Framework

Email Directly from C# .NET on Azure with No Mail-server

by DataBytzAI

Easy way to send email on Azure with no mail server, using DNS MX and SMTP

How to embed an image in email body

by bbirajdar

How to embed an image in email body

Universal SMTP Code to Send Emails in .NET Apps

by Afzaal Ahmad Zeeshan, Iqra Ali

Since I wrote an article previously, I had been asked on various occasions to share the code on Yahoo! or Bing, etc. I wanted to write an article, with the code, which covers all of those vendors as well.

Latest Articles

Robust Daemon Monitoring Inbox with MailKit w/ OAuth2

by Chris_Green

It all started with an email sent to a daemon. A windows service hosting two modules, each of which monitors an inbox for automation, dutifully ignored warnings from IT that basic authentication for O365 would be switched off in several months. This is how we solved it.

Prepare Emails with HTML Body to be Sent from Outlook

by Marijan Nikic

A simple solution using Powershell for preparing emails from Windows batch in Outlook; supports HTML body

Email Address Validation: Explained in Detail, Code for Production Quality WPF TextBox

by Peter Huber SG

A WPF TextBox which can validate email addresses depending on your needs, plus detailed description of the many ways a valid email address may look like.

Email Directly from C# .NET on Azure with No Mail-server

by DataBytzAI

Easy way to send email on Azure with no mail server, using DNS MX and SMTP

All Articles

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Email

I am confused how to start email parsing

13 Mar 2024 by Peter Huber SG

Read my article, which explains in detail how emails are encoded, the different parts they have, how to deal with HTML and pure text, attachments, pics and much more POP3 Email Client with full MIME Support (.NET 2.0)[^]

Python

parsing

machine-learning

Error: failed to start TLS when sending OTP email using mailtrap in go

6 Mar 2024 by Odukoya Ademola

*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 the SMTP server. However, when attempting...

I am confused how to start email parsing

27 Dec 2023 by Richard MacCutchan

Python will do the work for you: email.parser: Parsing email messages — Python 3.12.1 documentation[^].

Python

parsing

machine-learning

I am confused how to start email parsing

26 Dec 2023 by Shivani 2

i am confused how can i start parsing an email What I have tried: still haven't tried anything because i am confused at the very starting .

Python

parsing

machine-learning

How solve SMTP error for send mail

24 Sep 2023 by Graeme_Grant

With GMail, you don't use your normal account and password. You need to generate a "special" app paasword for the email address that you want to use. Please read this: Sign in with app passwords - Gmail Help[^] Here is a quick'n'dirty (tested &...

ASP.NET-Core

SMTP

NET7

How solve SMTP error for send mail

24 Sep 2023 by Member 11400059

hi. I try create asp.net core MVC with .NET 7. I create class for send email to user for confirm their email. but I get this error: SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server...

ASP.NET-Core

SMTP

NET7

I have a number of memberships with different email addresses. How do I delete them all and start afresh

5 Aug 2023 by Sandeep Mewara

Sounds like you are talking of CodeProject logins. If so, you can go ahead and do that yourself for each of the logins: 1. go to Your Settings[^] 2. select the "Privacy" tab, and 3. choose between "Close my account" and "Forget me Forever".

Smtp/PHP won't send message on email, how to make it work ?

29 May 2023 by the wolf 2023

For some reason I do not know how to solve this problem, how to connect SMTP to my titan email. here is the code:

HTML5

PHP

SMTP

Smtp/PHP won't send message on email, how to make it work ?

29 May 2023 by Andre Oosthuizen

Your error referes back to your first line ofr validation - if( $_POST['form_name'] != '' AND $_POST['form_email'] != '' AND $_POST['form_subject'] != '' ) which tells you that one of your required fields is empty. The way to solve this is to...

HTML5

PHP

SMTP

Invalid address: (from): invalid address: (to): failed to send mail

9 May 2023 by Gcobani Mkontwana

Hi Team I have a code that sends verification code to a user email, but when debugging as to find out why this is not sending. Its showing an invalid address from and to. But these address i am using them for my outlook and do work, checked...

PHP

Invalid address: (from): invalid address: (to): failed to send mail

9 May 2023 by Richard MacCutchan

$mail->SetFrom($this->sender, "Verification Code"); $mail->AddAddress($this->receiver); You have not initialised $this->receiver anywhere, but you are using the name 2023@outlook.com as sender. So you need to check both fields...

PHP

Invalid address: (from): invalid address: (to): failed to send mail

9 May 2023 by OriginalGriff

We can't really help - you need to use the debugger to look at exactly what $this->receiver contains while your code is running, and we can't do that. Also try check the $mail Username and Password are still set correctly.

PHP

Error sending confirmation email: SMTP connect() failed

3 May 2023 by Gcobani Mkontwana

Hi Team I am using gmail smtp setting but they seem not to allow me to send email when user register and gets a confirmation. Its giving me this issue, " error sending confirmation email: SMTP connect() failed....

Google

PHP

SMTP

Attaching pdf from the email using PHP

10 Mar 2023 by Gcobani Mkontwana

Hi Team I am attaching pdf on my html content, but its not loading to open and need some help around, i experience this issue What I have tried:

PHP

PDF

Failed to loan a pdf document using PHP mail function

9 Mar 2023 by Gcobani Mkontwana

Good day I need your help, i am getting a message when i try to open pdf document says failed to load a pdf document " Expected: application/pdf (.pdf); found: text/plain (.txt) " What I have tried: $filenameee = $_FILES['id']['name']; //...

PHP

PDF

How to view pdf attachment from email using PHP?

8 Mar 2023 by Gcobani Mkontwana

Hi Team I need some help with my script, i am only managing to send pdf attachment but cant be able to view it as a document. Please assist me and guide me, thank you. What I have tried:

PHP

PDF

How to view pdf attachment from email using PHP?

8 Mar 2023 by Richard MacCutchan

See view pdf in php - Google Search[^]. Please try doing your own research first.

PHP

PDF

File_get_contents(FASHION show.pdf): failed to open stream: no such file or directory

3 Mar 2023 by Gcobani Mkontwana

Hi Team I having this problem by using my logs from the server. Im sending email as pdf and using function to do using phpmailer. But now the logs show have a problem with line 94 on the application.php. How can i resolve this issue? What I...

PHP

PDF

File_get_contents(FASHION show.pdf): failed to open stream: no such file or directory

3 Mar 2023 by OriginalGriff

The error message is very explicit: the file (or part of the path to it) does not exist, or isn't accessible. At a guess, the file is local to your computer, and your code is running on the server which has no access to your local file system....

PHP

PDF

Phpmailer files without composer to send email with attachment

3 Mar 2023 by Gcobani Mkontwana

Hi Team I need some clarity on using php without composer, for example i need to have all phpmailer files to send email with attachment to my project. I downloaed them online and want to use them on my project to send email with attachment. The...

PHP

How to view pdf attachment from email using PHP?

1 Mar 2023 by Gcobani Mkontwana

Hi Team I am struggling to create a view pdf document using php when receipient receives email attachment. My code only view pdf from the browser. How do i link it with front end(html, jquery)? What I have tried:

How to send attachment as pdf to the email using PHP?

1 Mar 2023 by Gcobani Mkontwana

Hi Team I need some help, i have a logic that attached document as pdf, this document does saves to the database well. But the problem i cant seem to achieve get the document as pdf on the email, only shows text its not right to a user and need...

How to send attachment as pdf to the email using PHP?

1 Mar 2023 by Dave Kreskowiak

Are you trying to send the PDF as an attachment in an email? Your question isn't very clear on this. Also, you're code seems to be "monolithic", meaning doing more than one thing at a time. Break this code down into multiple functions. One to...

Is it possible to send a fraudulent email?

21 Jan 2023 by Dave Kreskowiak

There is no way for you to determine if the email address in the from field is legitimate or not. Spammers can put any email address they want in the From field.

Is it possible to send a fraudulent email?

21 Jan 2023 by Slow Eddie

Is it possible for a person to send an email with a company email address when they are not working for that company? For example, Sue sends me an email from XYZ company when she does not work for XYZ and does not have a Sue@XYZ.com? What I...

Is it possible to send a fraudulent email?

21 Jan 2023 by Richard MacCutchan

Yes, it is possible and that is how spammers often get people to do things they would be better not doing. If you suspect the email is frauduent then do not open it. If you write an unsoliceted email to the correct person it will go to the real...

Stop office365 storing outgoing messages in SENT when using SMTP

19 Jan 2023 by DerekT-P

I have a web application that sends significant volumes of emails, using SMTP. The SMTP server is Office365.com and this is storing copies of sent emails in the SENT folder when viewed in Outlook.office365.com I can periodically using the web...

Microsoft

SMTP

Outlook

Stop office365 storing outgoing messages in SENT when using SMTP

19 Jan 2023 by Dave Kreskowiak

If you're using the SMTP route into Outlook365, you do not have the option of turning SentItems off. On normal servers, using SMTP does not put anything in SentItems, but Office365 is not the standard email environment the web uses. Things are a...

Microsoft

SMTP

Outlook

How to send mass emails using mysql details based on certain criteria?

9 Jan 2023 by Patient_Learner

I need to send mass emails to my website members easily based on specific criteria in the MySQL database. This is required for the multivendor e-commerce website (I built it with PHP). I am using Hostinger as a hosting provider. For example: I...

MySQL

PHP

Marketing

How to send mass emails using mysql details based on certain criteria?

9 Jan 2023 by OriginalGriff

You can't: Can I send mass mail? (Support.Hostinger)[^]: Sending newsletters is allowed as long as you stay within our email limits, whether you're using Hostinger Email or Titan Email. However, no mass mailers/spammers are allowed according to...

MySQL

PHP

Marketing

I would like to create a gmail alternative using node js

16 Nov 2022 by wwwwww1233212

Hey before you flag me for not meeting your requirements understand that this is a genuine question: Good day i would like to create an email hosting platform using Node js Thanks What I have tried: I've tried researching different ways of...

Node.js

I would like to create a gmail alternative using node js

16 Nov 2022 by Dave Kreskowiak

My vote of 1. You didn't ask a question at all. You just made a statement that you want to create an email platform. OK. Permission granted, please proceed. Now, if you meant to ask a question about how to do that, you just said you don't have a...

Node.js

I would like to create a gmail alternative using node js

16 Nov 2022 by Richard MacCutchan

You will need to learn RFC 5321: Simple Mail Transfer Protocol[^].

Node.js

I would like to create a gmail alternative using node js

16 Nov 2022 by OriginalGriff

Start here: self hosting email - Google Search[^] But be aware, you have a lot of reading to do ... and node.js is probably not a good starting point.

Node.js

Robust Daemon Monitoring Inbox with MailKit w/ OAuth2

22 Sep 2022 by Chris_Green

IMAP

OAuth2

daemon

Asp net site email send

27 Aug 2022 by Member 13378958

my site name exmaple.com need any one mail send admin@exmaple.com not gmail configration need only exmaple.com coding What I have tried: asp email send

ASP

Asp net site email send

27 Aug 2022 by Richard MacCutchan

asp email send - Google Search[^]

ASP

Auto update the mail status as read on mail retrieving in exchange server

11 May 2022 by Haifovchanin

The application may access the same mailbox from two different computers and retrieve unread emails. I'd like to change mail status to Read immediately on mail retrieving to avoid downloading the same email to multiple stations. What I have...

Exchange-Server

Auto update the mail status as read on mail retrieving in exchange server

11 May 2022 by Dave Kreskowiak

That's not how an email server works. You cannot guarantee both machines will NOT get the same email. No, you cannot download the emails and simultaneously mark them as read. While machine1 is downloading the emails, machine2 can be doing the...

Exchange-Server

Unable to read data from the transport connection: net_io_connectionclosed.

2 Feb 2022 by Raj Negi

I am trying to send email by using ASP.NET C# code. My website is hosted in godaddy server. It gives this error: Unable to read data from the transport connection: net_io_connectionclosed. using System.Net.Mail; using MailMessage =...

ASP.NET

SMTP

web-hosting

Unable to read data from the transport connection: net_io_connectionclosed.

2 Feb 2022 by sendiltr

its a framework issue, moving your project to framework 4.6 will resolve the issue.

ASP.NET

SMTP

web-hosting

How do I send an email in java and gmail using bluej

1 Jan 2022 by oofalladeez343

I am trying to send an email via Java for an assignment. I have to send the email then take a screenshot of the email and send it to my teacher. What I have tried: import java.util.*; import javax.mail.*; import javax.mail.internet.*; import...

Java

How to write euro sign in Python?

20 Aug 2021 by Marcombat

I'm sending email using python and want to include euro sign € in the message. I get the following error codec can't encode character '\u20ac' in position 61: ordinal not in range(128) What I have tried: I tried replacing € with ...

Python

How to write euro sign in Python?

20 Aug 2021 by Richard Deeming

Use UTF-8: Unicode HOWTO — Python 3.9.6 documentation[^]

Python

How to generate PDF salary slip from datagridview in C#

18 May 2021 by TheKhanSoft

I indent to get generated salary slip from each of the rows of a DataGridView, in C#. Each of the salary slips must be: 1 generated from a single row 2 each cell should be included in relevant section i.e. deduction in deduction, basics in basics etc. 3 if a cell in the row is empty or has 0 in...

Visual-Studio

PDF

I can not read pdf from embedded attachement C#

12 May 2021 by KlingCan

>I have c# application that reads email, i read xml and pdf file when i have no Embedded attachments. When i tried to read pdf from Embedded attachement, the code only reads .bmp, jpg files. My code string strFiltro = String.Format("SINCE...

embedded

read

How can I send files to gmail using SMTP?

26 Mar 2021 by Member 15120648

I have the following HTML code: Full Name: Message:

How to send automatic email for diff results in git bash

26 Jan 2021 by RickZeeland

Maybe this article will be of help: HowToUseGitSendEmail[^] If you use Gmail: Go to Google -> My Account -> Connected Apps & Sites -> Allow less secure apps -> Switch ON

Bash

Git

How to send automatic email for diff results in git bash

26 Jan 2021 by Khairi Khaled

• In my work, network element configuration files downloaded automatically in hourly basis to the 3rd party server, I have configured the folder where the files downloaded on it as local Repo. • Recently, git schedule created to check the...

Bash

Git

Prepare Emails with HTML Body to be Sent from Outlook

22 Dec 2020 by Marijan Nikic

A simple solution using Powershell for preparing emails from Windows batch in Outlook; supports HTML body

PowerShell

How to send reminder email with condition ?

30 Nov 2020 by BBO001

So i would wanted to send a reminder email if reach 2 days before the Actual Date. Example: Assuming today is 8th & the Actual Date is 10th so it will send a reminder email out. So i've write the email store procedure, it is able to send but i...

MySQL

stored-procedure

Add contacts to email list without asking for confirmation

30 Nov 2020 by Yvan Rodrigues

All major providers require confirmation to comply with anti-spamming laws. If you operate your own server, most mailing list software will allow you to do what you are trying to do, such as GNU Mailman, LISTSERV, Majordomo etc.

Add contacts to email list without asking for confirmation

30 Nov 2020 by Member 13541763

I am working on an application, our process is that when a new user signs up, s/he is added to list(contact list of email service provider) with tags like 'New', 'Trial User' etc, to easily identify user status and send them emails accordingly....

How to send email to client in MVC

20 Nov 2020 by Member 13004859

Hi all,I am newbie to ASP.NET and now start learning MVC , to enhance my skills on .NET platform . Currently , i am practicing myself to do different task & pretty much know about MVC and eager to know how we can send email to client mailbox by using MVC5 . Can anyone share any link or blog ;...

How can I send email after 2 days to the user after registration.

10 Nov 2020 by OriginalGriff

There are two elements to a solution: First, add a DATETIME column to your Users table to say "needs an email on" and set it to the current date plus two days. Then write a little checking app, which gets all the users from the DB where that...

MVC

How can I send email after 2 days to the user after registration.

10 Nov 2020 by Member 14743579

I was tried lots of code to send email to user after 2 days of registration but i was not solved this issue. What I have tried: I am trying to get registration date from table and compare it with current date and send auto email after 2 days to...

MVC

How can I send email after 2 days to the user after registration.

10 Nov 2020 by Sandeep Mewara

Would recommend use a separate process (mostly a windows service) to do such periodic work. (not the web application you are using) Service will periodically check your database for users and the date they registered. If it's more than 2 days,...

MVC

How to avoid that images distort in HTML EMAIL on outlook

2 Oct 2020 by Member 14954192

I used a free html Generator. The preview is perfect. When I insert it to the Email, the Pictures get disorted. This is my Code: body { margin: 0; padding: 0; } table, td, tr { vertical-align: top;...

HTML

editor

How to avoid that images distort in HTML EMAIL on outlook

2 Oct 2020 by Gerry Schmitz

Looks like you're trying to use an html generator for a "device", not for emails. Google specifically for email: (free) email html generator

HTML

editor

Check email - unable to read data from the transport connection

2 Aug 2020 by Zhivko Kabaivanov

I am using a MailSystem[^] library to check Gmail account every 10 minutes. In my application, I connect/log two different Gmail accounts at startup. Whenever I switch the checking emails methods, I receive the exception: Exception: Unable to...

sockets

Gmail

I need a SQL query to automatically send the email of the query results after the query execution.

27 Jul 2020 by Gerry Schmitz

E-Mail Delivery in Reporting Services - SQL Server Reporting Services (SSRS) | Microsoft Docs[^]

SQL

automation

How to auto forward email based on page origin

2 Jul 2020 by Andre Oosthuizen

@Sam, have a look at PHPMailer available on github. It covers all grounds for sending mails, read through the documentation first to understand what it does, there are also plenty samples available.

Javascript

How to auto forward email based on page origin

2 Jul 2020 by Sam Vorst

Hi, I want to forward an email based on the origin of a page, lets say I have 3 contact forms and I fill contact form 1 in. It'll send it to info@contactform1.com automaticly. If I fill in contact form 2, it sends automatically an email to...

Javascript

How to auto forward email based on page origin

2 Jul 2020 by F-ES Sitecore

You haven't given enough information for a proper answer, but assuming you have multiple forms all submitting to the same server-side page then add a "hidden" field to the form to indicate the source. Read the value of the hidden field in your...

Javascript

How do I send an email using domain exchange server

12 Jun 2020 by Tshumore

I cant get this working no matter which workarounds i put in my code . What i am trying to do is send an email using my domain Exchange Server and my usual domain email address. This is my code : static void Main(string[] args) {...

C#7.0

Exchange-Server

TLS

Option of “add mailbox” missing in yahoo small business email

8 Jun 2020 by OriginalGriff

Talk to Yahoo, not us - they don't tell us why they do things ...

Yahoo!