I have been using Proofpoint Email Protection for four or five years. My company is a customer of the solution.

I have been using the product for six months. 

I have been using Proofpoint Email Protection for six months. I am a customer of the product. I don't remember the version of the solution, but I know that it automatically gets updated.

I have been using the solution for four years. 

I have been using the solution for two years.

I have been using Proofpoint Email Protection for approximately one year.

I have been using Proofpoint Email Protection for about five years now.

I have been using Proofpoint Email Protection for approximately four years.

I've used the solution for five years. 

I've been working with the solution for two years. 

I've used the solution for around two years. 

I've been using the solution for the past three or four years. 

I have used Proofpoint Email Protection within the last 12 months.

I have been using the solution for a few years.

I have been using Proofpoint Email Protection for nine months.

I have been using Proofpoint Email Protection for five years.

We have been using this solution for seven years. We are also using a Proofpoint protection server and Proofpoint Threat Response.

We've been dealing with Proofpoint Email Protection for at least three years. We've been providing the support for it and deploying it across different countries within the group.

I have been using the solution for three years.

I've been using the solution for quite a long time at this point. I'm not sure how long it has been 

I've been using the solution for two years and the company itself has used it for five.

I have been using this solution for one year.

I have been working with Proofpoint Email Protection for two years.

It's a subscription, and we are always using the latest version.

We have used the solution for ten years.

I have been using Proofpoint Email Protection for two years.

I've been working with Proofpoint Email Protection for about eight months or a year.

I have been using Proofpoint Email Protection for less than one year.

I have been using Proofpoint Email Protection for approximately one year.

I have been using the solution for three years. 

I've been using the solution for five years.

I have been using Proofpoint Email Protection for 5 years.

I have been using this solution for eight years.

I have been working with Proofpoint Email Protection for 15 years.

I have been using Proofpoint Email Protection for four months.

We have been using this solution for six months.

I've been using the solution for the last 12 months at least.

I've been using the solution for three years so far.

I have been using Proofpoint Email Protection for approximately one year.

Our company has been working with Proofpoint for two years.

I have been using Proofpoint Email Protection for less than a year.

We have been using Proofpoint Email Protection for a couple of years.

I have been using Proofpoint Email Protection for seven months.