1993 – Internet Email Connectivity
In 1993, both America Online (AOL) and Delphi connected their proprietary email systems to the Internet, allowing users to exchange emails beyond their own networks.
1997 – World's Largest Email Provider
By October 1997, AOL Mail had become the largest email provider in the world, serving approximately 9 million subscribers.
During the same year, AOL introduced NetMail, a web-based version of its email service. Although the first version worked only with Internet Explorer, AOL later released a Java-based version that also supported Netscape Navigator.
1999 – AOL Mail on the Web
In December 1999, NetMail was officially renamed AOL Mail on the Web, reflecting its transition into a broader webmail platform.
2001 – Mobile Email Alerts
In January 2001, AOL introduced an email notification service that delivered alerts to text-based mobile phones and pagers, expanding mobile access to email.
2004–2005 – Launch of Free Webmail
To compete with MSN Hotmail, Yahoo! Mail, and Gmail, AOL tested a completely free webmail service in 2004.
In May 2005, AOL officially launched AIM Mail, offering:
2006 – Free for Broadband Users
In August 2006, AOL made many of its services, including email, free for broadband users.
During the same period, Netscape Mail users were migrated to the AIM Mail platform.
In November 2010, AOL introduced Project Phoenix, an email application featuring:
A Quick Bar for emails, text messages, and AOL Instant Messenger.
Support for managing up to five email accounts from one interface.
In 2012, AOL launched Alto Mail, a modern email application designed to improve email organization and productivity.
On March 16, 2017, Verizon, which had acquired AOL in 2015, announced that it would discontinue its own email services for internet subscribers and migrate affected customers to AOL Mail.