https://pitbullzone.com/community/profile/discussions/15222/totle
totle - Community
totlecommunity
https://owadocs.totlelab.com/totle-owa-user-guide/key-features/attachlargefiles
Large File Attachments | totle OWA User Guide | totle for Outlook Web
Attach and send large files and folders directly within the email.
large fileuser guidefor outlookattachmentstotle
https://docs.totlelab.com/totle-docs/sending-options/readreceipts
Read Receipt and Alarms | totle Docs | totle Docs
You can check whether the recipient has opened the email in real-time after you sending it.
readreceiptalarmstotledocs