A father passing by his son’s bedroom was astonished to see that his
bed was nicely made and everything was picked up.
Then he saw an envelope, propped up prominently  on the pillow that
was addressed to ‘Dad.’
With the worst premonition he opened the envelope with trembling
hands and read the letter.
Dear Dad:
It is with great  regret and sorrow […]

Herbert A. Millington
Chair - Search Committee
412A Clarkson Hall, Whitson University
College Hill, MA  34109
Dear Professor Millington,
Thank you for your letter of March 16.  After careful consideration, I
regret to inform you that I am unable to accept your refusal to offer me
an assistant professor position in your department.
This year I have been particularly fortunate in receiving […]

Hypothetically genuine (but funny anyway)…
                 
                These are genuine clips from British Council flat
(apartment) tenants complaining to the Council about problems with their
flats.
               
                1. My bush is really overgrown round the front and my
back passage has fungus growing in it.
               
                 2. He’s got this huge tool that vibrates the whole
house and I just can’t take it […]

Dear Sir/madam/automated telephone answering service
Having spent the past twenty minutes waiting for someone at Leith police station to pick up a telephone I have decided to abandon the idea and try e-mailing you instead. Perhaps you would be so kind as to pass this message on to your colleagues in Leith by means of smoke […]