What are the limitations of download remote images

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If Download remote images to local SiteSetting enabled whenever a post created then all the external images will be downloaded locally (In all 3 above cases). But the downloading process will start only after editing_grace_period SiteSetting (default 10 minutes) from the creation of post. Also it will not be triggered for existing old posts when you enable the Download remote images to local SiteSetting. For that you have to recook all old posts.

Also downloading remote images will not work in below conditions

  1. SiteSetting download_remote_images_to_local is disabled.
  2. Enough disk space not available to download. (In this case you will receive notification about the problem). Also look at the download remote images threshold SiteSetting.
  3. If the post date is before download_remote_images_max_days_old SiteSetting.
  4. If the image is from one of the domains of disabled image download domains SiteSetting.
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