What type of hardware are you using: VPS bought online What YunoHost version are you running: 11.2.3 What app is this about: Synapse
Describe your issue
When sending an image as an attachment to a contact who is not on my server, the message is sent, but the image consistently fails to load for them. I can see the image, however, on any client.
Cheers, the users are on matrix.org, which I imagine would be up to date. I wonder if they have verified their session; if they hadn’t, do you imagine that could cause an issue?