I'll start this by saying a never review services good or bad! However I have now had three items deliverer by DPD over the past couple of months and each time have found the service fantastic! Each time I have chosen a 1h slot which the delivery driver has always honored, one time I asked for the parcel to be left in a safe place and this happened in the given 1h delivery slot. My most recent delivery was even made on a Sunday which not many other delivery services provide. The app is also really good for tracking your delivery throughout the day. Maybe I just have a good driver in my local area but overall I have been very impressed with DPD thus far and have had poor experiences with both Royal Mail and Yodel. I haven't used their service to post anthing yet so could not comment on this!