The mailR package allows you to easily send e-mails with R, but you need the right mailR SMTP settings. Getting the SMTP settings just right to establish a connection to e-mail hosts like Gmail, Outlook, or Yahoo can be challenging. This is especially true when there are some settings you need to change on the host side to make everything work. In this post, I'll show you how to connect to the major e-mail providers such as Gmail, Outlook, Yahoo, Hotmail, and AOL. For each host, you'll get the SMTP host name, ports and login requirements. In addition, I'll show you how to deal with STARTTLS, the default secure communications…
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