• BOUNCES
  • BLOCKS
  • SPAM
  • HUMAN

How to troubleshoot email delivery errors with your AI

Connect Twilio SendGrid to your agent to turn raw delivery logs into actionable fixes. It handles the heavy lifting of scanning lists and identifying blockers.

Ask AI about this page

Short answer

Why are my emails not reaching recipients?

Your AI scans your SendGrid bounce, block, and spam lists to find the specific reason for delivery failure. You get a clear breakdown of which addresses are suppressed and which ones need manual cleanup.

Where every issue lands.

Triage your delivery failures.

The AI categorizes every error into a specific bucket so you know exactly what to fix.

BOUNCES

Hard bounce identification

The AI pulls data from your bounce logs. You'll see exactly which addresses are dead and why they failed.

BLOCKS

Blocked sender analysis

It checks why specific recipients are rejecting your mail. This helps you spot pattern-based blocking.

SPAM

Spam report monitoring

The agent finds which users marked your mail as spam. This is your primary signal for reputation health.

HUMAN

Manual list cleanup

The AI flags which entries require your direct intervention. You decide which users to re-engage or remove.

The workflow

What your AI does when errors occur.

Instead of you digging through CSV exports, your agent queries the SendGrid API to find the root cause.

  1. Scan for failures

    The agent pulls recent bounce data to see which emails hit a hard wall.

    list_bounces

  2. Check blocklists

    It looks through your blocked email list to see if specific domains are rejecting you.

    list_blocked_emails

  3. Audit spam reports

    The agent reviews recent spam reports to identify problematic content or segments.

    list_spam_reports

  4. Clean up lists

    Once you identify a bad address, the agent removes it from your suppression lists.

    delete_bouncedelete_spam_report

Try it

Copy these to start.

Use these prompts to kick off the troubleshooting process.

Starting points

These are opening lines. Swap out the specific email addresses or domains with your own data.

Twilio SendGrid Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_BVHxEa8sxSI36kpMeMalQC9CNt5Q0cOT8okoZM70/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Twilio SendGrid capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "twilio-sendgrid-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_BVHxEa8sxSI36kpMeMalQC9CNt5Q0cOT8okoZM70/mcp"
    }
  }
}
Copy into chat04

  • Show me all the recent bounces in my SendGrid account.

  • Why is user@example.com being blocked in my delivery logs?

  • List all the recent spam reports so I can check my sender reputation.

  • Find the bounce for test@domain.com and remove it from the list.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect Twilio SendGrid once, then ask.

Just link your account once. Your credentials stay encrypted, and you can immediately start asking your agent about your email health.

Connect Twilio SendGrid to your AI

FAQ

How this task behaves.

  • 01

    Can the AI send new emails through SendGrid?

    No. This MCP is strictly for reading delivery data and managing suppression lists.

  • 02

    Will the AI delete my entire contact list?

    No. The AI only has tools to delete specific entries from bounce or spam lists.

  • 03

    Can the AI fix my sender reputation automatically?

    No. The AI identifies the issues, but you must decide how to change your sending strategy.

  • 04

    Does the AI see my email content?

    No. It only accesses delivery status, bounce reasons, and suppression data.

  • 05

    Can I use this to see why a specific person didn't get my email?

    Yes. You can ask the agent to check for specific email addresses in your bounce or block lists.

  • More questions about Twilio SendGrid? The Connector page answers them. See everything the Twilio SendGrid Connector can do

Connect Twilio SendGrid to Claude, Cursor, ChatGPT & more