mailck - golang library for smtp based email validation

  •        61

Make sure, that the ip address you are calling from is not black listed. This is e.g. the case if the ip is a dynamic IP. Also make sure, that you have a correct reverse dns lookup for your ip address, matching the hostname of your from adress. Alternatively use a SPF DNS record entry matching the host part of the from address.In case of a blacklisting, the target mailserver may respond with an SMTP 554 or just let you run into a timout.

https://github.com/smancke/mailck

Tags
Implementation
License
Platform

   




Related Projects

smtp-validate-email - A PHP class for performing email addresses validation via SMTP

  •    PHP

Perform email address validation/verification via SMTP. The SMTPValidateEmail\Validator class retrieves MX records for the email domain and then connects to the domain's SMTP server to try figuring out if the address really exists.

MailHog - Web and API based SMTP testing

  •    Go

MailHog is an email testing tool for developers. Configure your application to use MailHog for SMTP delivery, View messages in the web UI, or retrieve them with the JSON API, Optionally release messages to real SMTP servers for delivery. Inspired by MailCatcher, easier to install.Built with Go - MailHog runs without installation on multiple platforms.

hermes - Golang package that generates clean, responsive HTML e-mails for sending transactional mail

  •    Go

Hermes is the Go port of the great mailgen engine for Node.js. Check their work, it's awesome! It's a package that generates clean, responsive HTML e-mails for sending transactional e-mails (welcome e-mails, reset password e-mails, receipt e-mails and so on), and associated plain text fallback.Theme templates will be embedded in your application binary. If you want to use external templates (for configuration), use your own theme by implementing hermes.Theme interface with code searching for your files.

email-verifier - :white_check_mark: A Go library for email verification without sending any emails.

  •    Go

✉️ A Go library for email verification without sending any emails. Use go get to install this package.

trumail - :email: :white_check_mark: A Fast and Free Email Verification API written in Go

  •    Go

Trumail is a free and open source email validation/verification system. It is available in three forms, the Golang client library verifier for use in your own Go projects, a public API endpoint (more info: https://trumail.io), and a public Docker image on DockerHub (see: https://hub.docker.com/r/sdwolfe32/trumail/). NOTE: While we do offer a managed, enterprise level service to paying customers, it is highly recommended that you host the service yourself either using a Docker image or by forking and serving this project on your own instance. Please keep in mind, self-hosting Trumail requires bidirectional communication on port 25 which most residential ISPs restrict - AWS and Digitalocean both permit this sort of communication.


checkmail - Golang package for email validation

  •    Go

Golang package for email validation. output: Code: 550, Msg: 550 5.1.1 The email account that you tried to reach does not exist.

JavaMail - Java library to build Mail and Messaging Applications

  •    Java

The JavaMail API is a set of abstract APIs that model a mail system. The API provides a platform independent and protocol independent framework to build Java technology based email client applications. The JavaMail API provides facilities for reading and sending email. Service providers implement particular protocols. Several service providers are included with the JavaMail API package; others are available separately.

magento2-gmail-smtp-app - Configure Magento 2 to send email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 and many other SMTP (Simple Mail Transfer Protocol) servers

  •    PHP

Configure Magento 2 to send all transactional email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 or other SMTP server. Sending transactional emails to customers is a vital part of running an e-commerce store. Our free custom Magento extension integrates with all major email service provider and third-party SMTP server to reliably deliver messages in customers' inbox.

Papercut-SMTP - Papercut SMTP -- The Simple Desktop Email Server

  •    Javascript

If you ever send emails from an application or web site during development, you're familiar with the fear of an email being released into the wild. Are you positive none of the 'test' emails are addressed to colleagues or worse, customers? Of course, you can set up and maintain a test email server for development -- but that's a chore. Plus, the delay when you are waiting to view new test emails can radically slow your development cycle. Papercut SMTP is a 2-in-1 quick email viewer AND built-in SMTP server (designed to receive messages only). Papercut SMTP doesn't enforce any restrictions how you prepare your email, but it allows you to view the whole email-chilada: body, html, headers, attachment down right down to the naughty raw encoded bits. Papercut can be configured to run on startup and sit quietly (minimized in the tray) only providing a notification when a new message has arrived.

PHPMailer – A full-featured email creation and transfer class for PHP

  •    PHP

PHPMailer is a full-featured email creation and transfer class for PHP. Many PHP developers need to send email from their code. The only PHP function that supports this directly is mail(). However, it does not provide any assistance for making use of popular features such as encryption, authentication, HTML messages, and attachments. PHPMailer's integrated SMTP client allows email sending on all platforms without needing a local mail server.

ASSP - Anti-Spam SMTP Proxy

  •    Perl

ASSP is a SMTP proxy which sits between SMTP server and the MTA. It filers the spam and delivers the legtimate mails to the MTA. Its feature include Bayesian analysis, Sender Policy Framework) validation and blocking, Realtime Blackhole Listing, URL Black Listing, Multi-level attachment blocking, LDAP support, Backscatter Detection, SNMP support and lot more.

DnSmtp - A .NET SMTP Client Library

  •    CSharp

DnSmtp is a managed implementation of an SMTP client written for .NET in C#. It was originally conceived back in 2001 due to .NET 1.1 limitations which required Outlook to be installed on the platform for .NET to be able to send email. With .NET 2.0+, Microsoft has greatly imp

laminas-mail - Parse, create, store, and send email messages, using a variety of storage and transport protocols.

  •    PHP

Laminas\Mail provides generalized functionality to compose and send both text and MIME-compliant multipart email messages. Mail can be sent with Laminas\Mail via the Mail\Transport\Sendmail, Mail\Transport\Smtp or the Mail\Transport\File transport. Of course, you can also implement your own transport by implementing the Mail\Transport\TransportInterface.

C# Email Server - SMTP and POP3 Email Server in CSharp

  •    CSharp

C# Email Server (CES). Implements SMTP and POP3 components that can be used as a standalone server or as components in other applications. It is a port of the Java Email Server (JES). This component allows a program to accept incoming emails and process them using user defined logic.

MailDev - SMTP Server + Web Interface for viewing and testing emails during development

  •    Javascript

MailDev is a simple way to test your project's generated emails during development with an easy to use web interface that runs on your machine built on top of Node.js.

Papercut - Papercut Simple Desktop SMTP Server

  •    Javascript

Ever need to test emails from an application or web site but don't want them accidently being sent or having to deal with the hassle of setting up a test email server? Papercut is a quick email viewer with a built-in SMTP server designed to only receive messages. It doesn't enforce any restrictions how you send your email. It allows you to view the whole email-chilada: body, html, headers, attachment down to the naughty raw bits. It can be set to run on startup and sits quietly minimized in the tray giving you a balloon popup when a new message arrives.Download Papercut.Setup.exe installer.

MailKit - A cross-platform .NET library for IMAP, POP3, and SMTP.

  •    CSharp

MailKit is a cross-platform mail client library built on top of MimeKit.The main goal of this project is to provide the .NET world with robust, fully featured and RFC-compliant SMTP, POP3, and IMAP client implementations.

MXRecordLookup

  •    

Now that Vista and above no longer includes a SMTP server it has made things harder for developers to test SMTP client code. That's where this steps in. Send the email directly to the SMTP server assigned to that email address by querying its MX record.

Mail-in-a-Box - One click easy-to-deploy SMTP server

  •    Python

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box. Mail-in-a-Box lets you become your own mail service provider in a few easy steps. It’s sort of like making your own gmail, but one you control from top to bottom. Technically, Mail-in-a-Box turns a fresh cloud computer into a working mail server. But you don’t need to be a technology expert to set it up.

Mock SMTP Server

  •    

The Mock SMTP Server is a simple email server that only displays each email message it receives in the application window. It is intented to test applications that send email. It will not store or relay email. Only the minimum requirements of RFC 5321 are implemented.






We have large collection of open source products. Follow the tags from Tag Cloud >>


Open source products are scattered around the web. Please provide information about the open source projects you own / you use. Add Projects.