Quick Mail 1.2.2 includes dismissible messages and a responsive form design. Tested with WordPress 4.2.3.
Quick Mail 1.2.0 is a major update. Send HTML or plain text email. Saves 5 recent addresses. Improved install / uninstall.
Quick Mail WordPress plugin sends email with attachment from WP dashboard. Quick Mail 1.1.1 is compatible with more systems. Tested with WP 4.1.1.
Quick Mail WordPress Plugin Update: select recipient from site user list. Options to change permissions, so editors can use list to send mail to authors.
Send mail from the WordPress dashboard to multiple recipients with my Quick Mail WordPress plugin.
Why I wrote a WordPress plugin to send an email with attachment from WordPress admin.