WiseStamp fully supports all the major mail platforms and email programs out there:
Webmails: Gmail (including Google Apps), Yahoo mail, Hotmail, Outlook.com, AOL mail, Inbox by Gmail (PC), Office 365, GoDaddy, Verizon, Mail.com and AT&T.
Other Mail platforms*: Outlook, Mac Mail (Apple mail), iPhone (iOS mail app only), Postbox, bell.net, Boxy, Comcast,, Horde / Cpanel, Hotmail, me.com, Optonline, Outlook for Mac, OVH, Postbox, Roundcube, Silversky, Telus.net, Thunderbird, Vistaprint, Zimbra, and Zoho.
* Other mail platforms require a PRO account. Upgrade now!