I saw this film's review on Film Threat and the reviewer made it sound like a good watch. It was. Good story, but overall nothing exceptional.
When watching this film, you have to keep in mind that it is a low budget production with low budget issues. So I recommend focusing on the story being told. When I did that, I found this film to be overall enjoyable.
If you liked "Fatal Attraction," then you will enjoy "The Mail Lady," which is basically a remake. But the director adds a few very good wrinkles to the FA plot line, especially the excellent unexpected ending.
Remember, this is low budget film, so it is inevitable that there will be flaws. So, when they occur (e.g., the focus issues, color grading, repetitive shots, acting) you should afford the filmmakers some grace. If you do, you will enjoy the film.
And as for the plot holes in the screenplay, suffice it to say that you will have to suspend reality a few times. Otherwise, not bad.
