đ Overview:
The Bulk LOI Sender Google Sheets⢠add-on turns your spreadsheet into a reliable LOI mail-merge system.
Generate professional and personalized letters of intent from a Google Docs⢠template, attach each as a unique PDF, and send them via Gmailâ˘, all in safe, quota-aware batches. Save yourself hours of work and stop copying, pasting, and attaching one-by-one; create, preview, and send at scale in minutes.
Convert your leads with ease and make professional LOI outreach a repeatable, 5-minute task instead of an all-day chore!
đ¨âđť Who It's For:
Perfect for sales, partnerships, real estate, M&A, recruitingâanyone who needs to send many professional LOIs or emails with unique PDF attachments fast without leaving Sheetsâ˘.
đ§Ş Key Features:
âď¸Save hours of manual work (Template â Personalized LOIs â Email in one flow)
âď¸Auto-PDF from Google Docs⢠or send as plain text
âď¸Safe batching & credit awareness (respects Gmail⢠daily limits)
âď¸Test sends to your inbox before going live
âď¸Queue management: pause, resume, retry, clear sent
âď¸Up to 26 merge fields: map columns to placeholders
âď¸Status tracking (queued/processing/sent/failed) right from Sheetsâ˘
âď¸Attachment controls: include PDF or use Docs⢠body as email text
â How It Works:
1. Import or paste your leads (or upload CSV) into Sheetsâ˘
2. Select a Google Docs⢠LOI template with merge placeholders (e.g., {{Company}})
3. Create jobs & send: review test emails, then batch-send with quota-aware controls
đ Limits & performance
- Typical send caps: ~100/day for consumer Gmailâ˘; up to 1,500/day for premium Google Workspace⢠accounts.
- The add-on batches and paces your sends to avoid timeouts and quota errors.
đ Privacy & Permissions:
- Creates and stores LOIs in your own Driveâ˘. You control your data.
- Requests minimal scopes needed for Sheetsâ˘, Docsâ˘, Drive⢠(file-level) and Gmail⢠sending.
đˇď¸ Pricing:
Use is free with a reasonable daily send limit. Premium subscription unlocks higher limits and advanced features (e.g., unlimited LOIs per sheet). No credit card required to try.
Support:
Email support@proptierio.com for any issues or feedback.
đ Change log:
4/9/2026: Migrate to proptierio.com
2/25/2026: Improve load speed and error logging
12/31/2025: Improve error logging, send functionality, add diagnostics.
12/17/2025: Fix filename bug
10/31/2025: Improve overall UIUX, improve job creation speed
10/29/2025: Improve loading UIUX, add placeholder detection for email body
10/22/2025: Fix Gmail line wrap bug
10/14/2025: Improve file management
10/13/2025: Fix payment link
10/1/2025: Initial publish