[Email File Format APIs for Ruby Open Source Ruby APIs for Email Files Read, Write & Extract Attachments from MSG files via Ruby. Email File Format APIs for Ruby Include Aspose.Email Cloud SDK for Ruby A Powerful Outlook Email Processing REST API for composing, sending, receiving, manipulating & converting Email Messages in the Cloud. Mail Open source Ruby library that enables software developers to generate and parse email messages inside their own apps. Pony Ruby API allows developers to send an email message with a single command, add attachments & custom headers to email messages, and so on.]