> For the complete documentation index, see [llms.txt](https://docs.totlelab.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.totlelab.com/totle-docs/sending-options.md).

# Sending Options

- [Large Files and Folders Attachments](https://docs.totlelab.com/totle-docs/sending-options/attachinglargefiles.md): This feature allows you to attach and send large files and folders directly within the email.
- [Read Receipt and Alarms](https://docs.totlelab.com/totle-docs/sending-options/readreceipts.md): You can check whether the recipient has opened the email in real-time after you sending it.
- [Separate Sending](https://docs.totlelab.com/totle-docs/sending-options/separate-sending.md): Sending the same email to multiple recipients individually (1:1)
- [Mail Merge](https://docs.totlelab.com/totle-docs/sending-options/mail-merge.md): Send personalized email based on the organization chart or contact information saved in Outlook.
- [HTML Source View and Edit](https://docs.totlelab.com/totle-docs/sending-options/html-source-view-and-edit.md): View and edit email HTML source code and directly send them on Outlook.