twilio-sendgrid-deliverability-advisor
Advises on email deliverability issues, helping diagnose problems like spam filtering and bounce rates using SendGrid tools.
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Security score
The twilio-sendgrid-deliverability-advisor skill was audited on May 26, 2026 and we found 7 security issues across 1 threat category. Review the findings below before installing.
Categories Tested
Security Issues
medium line 33
Webhook reference - potential data exfiltration
SourceSKILL.md
| 33 | Do NOT trigger for: general email sending implementation, template questions, webhook setup, suppression list management unrelated to deliverability. Redirect to `twilio-sendgrid-email-send` (SendGrid |
medium line 72
Webhook reference - potential data exfiltration
SourceSKILL.md
| 72 | - Check via Event Webhooks or SendGrid Activity Feed |
medium line 181
Webhook reference - potential data exfiltration
SourceSKILL.md
| 181 | ### Event Webhooks — required for visibility |
medium line 183
Webhook reference - potential data exfiltration
SourceSKILL.md
| 183 | Without Event Webhooks you have no real-time signal on delivery problems. Every email program needs webhooks tracking: |
medium line 190
Webhook reference - potential data exfiltration
SourceSKILL.md
| 190 | See `twilio-sendgrid-webhooks` for setup. |
medium line 201
Webhook reference - potential data exfiltration
SourceSKILL.md
| 201 | | **Apple** | icloud.com, me.com, mac.com | All volumes | All volumes | >5,000/day | — | None | **Mail Privacy Protection (MPP)**: pre-fetches images on iOS 15+/macOS 12+, inflating open rates — filte |
low line 248
Webhook reference - potential data exfiltration
SourceSKILL.md
| 248 | - twilio-sendgrid-webhooks (delivery event monitoring) |
Scanned on May 26, 2026
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