danikaze

This plugin provides links/icons for your social-media accounts, like twitter, facebook, your blog rss and a link to your email

Social Aside

Shows links to your twitter, facebook, rss and email.

James Irving-Swift

This plugin adds a function called ‘esm_send’ that sends an email. Mail Server settings can easily be changed from the wp-admin interface.
The function works like so: esm_send($from, $to, $content, $subj = “”, $fromName = “”);

Electric Studio Mailer

Creates an easy function for sending mail from your Wordpress site

Social Aside vs Electric Studio Mailer