What's a free/lightweight way to email a message to force an iPhone alert? At my job, we get specific emails that need to be responded to right away.

Currently, I filter and forward those emails to my SMS gateway address provided by AT&amp;T (1234567890@txt.att.net). The problem is that they result in 16 text messages because there are 4 emails and each one results in 4 text messages.

Can anyone recommend a service or app that provides an email address that will result in an iPhone popup?
I'm not sure about Popups, but your iPhone can get emails pushed through gmail. Would that help?

Also, whatever forwards to SMS could trim the email so that each only takes 1 SMS to deliver.