Here we share some of our archive images of South Yorkshire postal workers doing their jobs and getting involved in their communities. Thanks to all of them.
1. Special deliveries
Letters to Santa are sorted at the Royal Mail sorting office in Sheffield before being forwarded to Lapland ahead of Christmas 2015 Photo: DEAN ATKINS
2. Mexican trek
Doncaster postwoman Diane Simpson swapped her post office bike for a mountain bike to do a 600km trek across Mexico for Macmillan Cancer Relief in 2003 Photo: Steve Taylor
3. Stamp duty
Postal workers sorting the letters into bundles, with the stamps at the top ready for franking, in September 1949 Photo: Sheffield Newspapers
4. Working women
Posties from the early 1900s in old photographs discovered by Ray Hill. Names are written on the picture - left to right, back row: Mabel, Lily, Elsie, unnamed. Front: Mattie and Amy Photo: Submitted by Ray Hill