Iris beta 71 can now be downloaded from https://iris-morphos.com/iris.lha.

Changes include:
- Implemented Drag&Drop of emails into folders
- Finished the quick SMTP path for servers that automatically upload emails sent via SMTP to their respective Sent folders (like GMail)
- Session handler fixed to request new OAuth2 keys before they expire - fixes a disconnect from GMail after running Iris for over 1 hour
- Fixed embedding images in emails, added a mime type check on embedding
- Added an ATTACH arexx command
- Fixed not to leave outgoing messages in Drafts on the server
- Multi-selected emails in Forward as Attachment action all land in one target
- Fixed an issue where emails would sometimes not be sent out
- Refactored all actions performed on multi-selected email lists to fix the problem where only pre-loaded emails would be handled by the action
- Fixed several null pointer dereferences