The sentence is correct. There are a variety of rules for the use of ‘you’ and ‘your,’ but the one that is relevant here states: Use the possessive form when the word modifies a gerund. What’s a gerund, you ask. It’s a verb that ends in ‘ing.’ In your sentence, ‘forwarding’ is a gerund, so we use the possessive ‘your’ with it.
Here is another example, Your cutting onions seems to make your eyes water.