I think it's a mixture of truth and bollocks as with most things in life.
No Special Mechanism
The whole idea is summed up very clearly by Dr E. Lester Smith, scientist and theosophist, in his book Inner Adventures from which the following quotation is taken:-
'It has been speculated that telepathy might involve electromagnetic radiation at some wavelength beyond the wide spectrum already mapped out, literally brain waves. But distance does not seem to impede telepathy; the inverse square law for the propagation of electromagnetic radiation does not apply. Alternatively, we might create "thought forms" in some mental medium and send them deliberately or unconsciously to the recipient. But if individual minds are already united within a universal Mind, then links already exist and no special mechanism need be envisaged. It should be necessary only to lower the barriers we erect in the vain attempt to keep our thoughts private. These could be lowered by love and empathy and by understanding the true nature of the situation. In practice it is not so simple. In the course of evolution we have put a lot of effort into creating and maintaining these barriers, so that they are quite strong. For telepathy, not one but two of them must be lowered or penetrated: those of the sender and those of the recipient of the thought: (8)
The dictionary defines intuition as 'immediate apprehension by the mind without reasoning’.
This definition quite rightly implies an emotional basis to intuition and a by-pass of thought or reasoning. We have already seen that this is the case in the lowest form of intuition which was called 'gut- feeling' because it is based on the solar-plexus.
Theosophical teachings indicate that 'mental' intuitions can come from a level of consciousness beyond the personality -- the Spiritual Self. They stem from the buddhic level of illumination and wholeness. This illumination can light up the higher mind so that it becomes 'taijasa' which can cross the bridge of the mind to the lower mental level to bring inspiration into waking human consciousness.
Poets, philosophers, seers, inventors, composers and artists by making this link with the spiritual world have been, throughout the ages, the driving force in the cultural progress of humanity. (9)
However in the most widely recognised type of intuition the light of the buddhic world by-passes the mind and is received at an emotional level. Quite rightly this faculty is said to be found more often in women than in men. Such intuitions are quite common but the difficulty in recognising them and translating their message to the waking brain consciousness is very real. Your intuition will work when confronting a situation or a person you meet in the first moments of the encounter. You must recognise it and know its truth before the mind comes in and kills or distorts the message.