How are you checking if relays accepted your notes? The only reliable way is to query the relays directly, one by one. If you are using some site or app to check for you, this site might not have a direct connection to the relays you posted to. 

 I checked by viewing the mentioned posts in Coracle.
For a newbie like me, that seemed like a reasonable way to get a feel of what is going on. 

 Coracle will probably not check all relays for the notes, so it might not be reporting all relays that received it.