AgileMail is a slim yet powerful emailer with message list capability. It loads quickly and uses little memory. AgileMail is able to send up to 100 hundred e-mails in a minute. You can import the mail list and plain-text message from files. You can also use it to send plain-text e-mails with attachments and get it done in just one minute withouting open bulky e-mail clients like MS Outlook.