Almost all websites have one... a contactform. The forms use PHP or other sending protocols to deliver the submissions to every clients precious mailboxes. But this is sometimes harder then it sounds.
After carefully setting up the SMTP or just standard trusting the PHP capabilities of the websites hosting this can change quickly.
It would very much help us and our client if WP Umbrella had a feature where it would test the outbound server on (for example) on a daily basis and send a testmail. Results of this test can be seen inside WP Umbrella. Delivered means green, no mail send means notification of perhaps a mail to our support mailbox.
Thanks in advance and love the product.
Keep it up.