MailKit vs PHPMailer: What are the differences?
What is MailKit? A cross-platform .NET library for IMAP, POP3, and SMTP. It 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.
What is PHPMailer? The classic email sending library for PHP. A full-featured email creation and transfer class for PHP. It is a class library for PHP that provides a collection of functions to build and send email messages. PHPMailer supports several ways of sending email: mail() , Sendmail, qmail & direct to SMTP servers.
MailKit and PHPMailer belong to "Email API" category of the tech stack.
Some of the features offered by MailKit are:
- SASL Authentication
- Supports S/MIME v3.2
- Supports OpenPGP
On the other hand, PHPMailer provides the following key features:
- Integrated SMTP support - send without a local mail server
- Send emails with multiple To, CC, BCC and Reply-to addresses
- Multipart/alternative emails for mail clients that do not read HTML email
MailKit and PHPMailer are both open source tools. It seems that PHPMailer with 13.7K GitHub stars and 7.53K forks on GitHub has more adoption than MailKit with 2.84K GitHub stars and 461 GitHub forks.