Use an SMTP server for sending email from your blog. Includes support for Gmail’s SMTP.
Send mail in 5 different ways: PHP mail(), MX Zone, SMTP Relay, Command Line or POP before SMTP, also you can use your Gmail account to send mails.
Use an alternative mailer solution, other than PHPMailer in WordPress installations.
Reconfigures WordPress email to use secure SMTP such as Gmail. Plugin options are accessible through the admin panel.
WP SMTP Contact Form is a wordpress plugin based upon WP Contact Form.
Allows you to configure the default email address and name used on email sent by wordpress.
Check email allows you to test if your WordPress installation is sending emails correctly by sending a test email to an address of your choice. Allows
WP-SES redirects all outgoing WordPress emails through Amazon Simple Email Service (SES) for maximum email delivrability.
A simple plugin that replaces the default wp_mail function with PostMarkApp (http://postmarkapp.com/).
Allows you to configure and use a SMTP server (such as Gmail) for sending emails.