Should she deal with this website whose owner claims that he can treat sihr (witchcraft)?
Question

I have a question about websites which expose sihr and spells that could cause girls not to get married, and spells that can protect against possession and envy. I am suffering because I am not married yet. I was surfing the Internet and I saw a website called ----. I took the e-mail and spoke via Messenger with a person who is called ----, from ----. I told him about my problem and how I am not married yet, even though I have a fair share of beauty and wealth, and praise be to Allah, I am of good character and religiously committed, and everyone knows about that, praise be to Allah. But everyone who comes to propose to me goes away without anything happening, even though I always offer a lot of supplications and prayers. He said to me: Do you have any symptoms? For example, do you feel tightness in the chest or pain in the back, or tingling in the body, or lethargy in the body, or shivering. I said to him: I always feel tightness in the chest and lethargy, and sometimes I start to shiver. He said that he has to examine me, but I am in one city and he is in another city. I asked him: How? And he gave me a telephone number and told me: Call me and I will examine you. (The remedy is with the Qur’an), and I will tell you how much it will cost, how long the treatment will be, and how it will be done. I did not call him because I am afraid that it will have to do with sihr (witchcraft), and I do not want to do anything that will anger Allah, may He be glorified and exalted. I hope that you will help me, because I do not know whether he really can treat me, or whether I really am suffering because of sihr, envy and the like.
Praise be to Allah.Firstly: 
What you mentioned about not being married yet and suitors not coming back to you could be something ordinary, because a suitor may not feel comfortable with a prospective wife even if she is beautiful, or Allah may divert him from her so as to bring her someone who is better than him. Or that may be due to the effects of witchcraft or the evil eye. Hence we advise you to recite ruqyah as prescribed in Islam and to do so regularly, whilst also persisting in du‘aa’ (supplication), doing a lot of righteous deeds, and repenting from hidden sins. 
For more information on ruqyah as prescribed in Islam and the etiquette thereof, please see questions no. 12918, 11290, 3476, 11026 and 21581 
Secondly: 
It is not permissible to deal with the website mentioned, because it involves charlatanry, shirk (associating others with Allah) and falsehood. The owner of the website is one of those who call upon someone other than Allah, who call themselves servants of this and that soorah, and who attribute benefit or harm to gemstones. This website contains a number of innovations and other myths. 
On that website it says: “The way to undo the effects (of witchcraft) is to bring something of your personal effects, i.e., a piece of your clothing that should be clean, and spread it in front of you, and spread your fingers, then put your hand on the item and mark it with a pen on one side of your hand, then the other… then recite over the item Soorat al-Humazah 7 times, and after each time, say: ‘Go ahead, O servants of this noble soorah, and show me if I am under a spell, and remove its effects, and if a spell has been cast on me, then make these marks further apart, and if what I am suffering from is a kind of possession, bring them closer together.” 
It also says: “Sleep on a clean bed in clean clothes, in a state of wudoo’, and recite Soorah Yaa-Seen seven times before sleeping, and after every time, say: ‘‘Go ahead, O servants of this noble soorah and show me in my dream such and such.’” 
This is obviously shirk (associating others with Allah) and misguidance. There is nothing in the Qur’an or Sunnah to indicate that there are servants of the soorahs of the Qur’an among the jinn or angels. Even if we assume that these servants do exist, it is not permissible to call upon them or ask of them, because that is calling upon someone other than Allah. 
This website also mentions the benefits of carnelian (a reddish semi-precious gemstone): “This gemstone repels witchcraft, sending it back upon the one who cast the spell; i.e., when a person is affected by any kind of witchcraft, this gemstone deflects the spell back to the one who made it.” 
Concerning the benefits of turquoise (a blue-to-green gemstone), it says: “Another of its special features is that it can be used to protect against the evil eye, evil looks and envy.” 
These are all things made up by people of jaahiliyyah (ignorance); they wear gemstones and claim that they can bring good luck or ward off the evil eye. Allah may punish one who does that with the opposite of what he is seeking, as it says in the hadeeth, “Whoever wears an amulet, may Allah never fulfil his wish, and whoever wears a seashell, may Allah never protect him from what he fears.” Narrated by Ahmad (17404); classed as hasan by Shu ‘ayb al-Arna’oot in Tahqeeq al-Musnad. 
Shaykh Ibn ‘Uthaymeen (may Allah have mercy on him) said: 
Seashells come from the sea and are worn to ward off the evil eye. They claim that if a person wears this seashell, he will not be affected by the evil eye or by the jinn. 
The words “may Allah never protect him from what he fears” mean: may Allah never leave him in peace and calm [?]; the opposite of that is anxiety and pain. 
And it was said that what is meant is: May Allah never leave him any good, so ???
End quote from SHarh kitaab at-Tawheed, in Majmoo ‘ Fataawa wa Rasaa’il ash-Shaykh Ibn ‘Uthaymeen (9/161). 
This website is full of misguidance, ignorance and innovation. What you must do is beware of this website and others like it, and not be deceived by their claim that they are treating problems with the Qur’an. Rather they are charlatans and liars, and you did well not to contact this man who misleads people. 
We ask Allah to make things easy for you and to grant you provision from His bounty. 
And Allah knows best.