Mix together the flour, salt, yeast and sugar. In a large bowl beat in the milk, vinegar and eggs. Add the flour mixture and combine to form a sticky dough. Continue mixing, adding the oil. Place the dough in an oiled 1kg/2kg bread tin, cover and leave to rise in a warm place for an hour. Bake in a pre-heated oven for 40/45 minutes at 200C/Gas Mark 6.