List the surnames themselves in the subject line. It is also helpful to list the time frame. It won't work and you will not be unsubscribed. They must be sent to the above addresses. You can use CAPS or lowercase, it doesn't matter.
Many people delete messages without any subject.
A ccuracy is important and sources are vital. Ancestor lists are worthless if the information is wrong. A ll information need not be accompanied by source citations, but I do recommend strongly that posts either include sources or a note stating that they are available on request. I f information is speculation then label it as such until it is proven or commonly accepted as fact. W hen posting your query try to give as much information as you know,i.e.