Email Deliverability Checker
Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.
使うべきか
品質と安全性
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"email-deliverability-mcp": {
"url": "https://api.ownmailserver.com/tools/mcp"
}
}
}リモートエンドポイント
https://api.ownmailserver.com/tools/mcpstreamable-httpできること
ツール一覧
ツール（3）
🟢check_domain(domain, dkim_selectors)
Check a domain's SPF (including the 10-DNS-lookup limit), DMARC policy and reporting, DKIM keys on common selectors, and MX records. Returns problems ranked by severity with the fix for each, plus the email services the domain uses.
入力スキーマ
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"minLength": 3,
"maxLength": 253,
"description": "The domain, e.g. example.com (a URL or email address's domain also works)."
},
"dkim_selectors": {
"description": "Extra DKIM selectors to look for, e.g. from the s= value of a message's DKIM-Signature header.",
"maxItems": 10,
"type": "array",
"items": {
"type": "string",
"maxLength": 63
}
}
},
"required": [
"domain"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢check_sending_ip(ip)
Check a mail server's IP: reverse DNS (PTR) and whether it resolves back to the IP, and listings on Spamhaus ZEN, Barracuda, SpamCop, PSBL, Mailspike and UCEPROTECT level 1. A refused Spamhaus query is reported as unknown, never as a listing.
入力スキーマ
{
"type": "object",
"properties": {
"ip": {
"type": "string",
"minLength": 2,
"maxLength": 45,
"description": "IPv4 or IPv6 address of the sending server."
}
},
"required": [
"ip"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢check_email_headers(headers)
Check a received email's headers against Gmail's and Yahoo's bulk sender requirements: SPF, DKIM and DMARC results, From domain alignment, one-click unsubscribe (and whether DKIM covers it), TLS, reverse DNS and Message-ID. Use the full headers as the recipient got them (Gmail: Show original).
入力スキーマ
{
"type": "object",
"properties": {
"headers": {
"type": "string",
"minLength": 10,
"maxLength": 200000,
"description": "The raw message headers (the body may be included; it's ignored)."
}
},
"required": [
"headers"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス