Servidor MCP
MailX Email Deliverability
com.themailx/email-deliverability
Qué hace este MCP
Checks email authentication and deliverability infrastructure including SPF, DKIM, DMARC, BIMI, DNS, SMTP, IMAP, PTR records, and blacklists.
Capacidades
Herramientas
16
herramientas
bimi_check
BIMI Check
Check if a domain has a valid BIMI (Brand Indicators for Message Identification) DNS record. BIMI allows brands to display their logo next to authenticated emails in supporting email clients.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to check BIMI records for, e.g. example.com'}}}
blacklist_check
Blacklist Check
Check if a domain or IP address is listed in popular email blacklists (DNSBLs). Being blacklisted can severely impact email deliverability.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain name or IP address to check against blacklists, e.g. example.com or 1.2.3.4'}}}
cname_lookup
CNAME Lookup
Look up CNAME (Canonical Name) records for a domain. Shows where a hostname aliases to.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to look up CNAME records for, e.g. www.example.com'}}}
dkim_check
DKIM Check
Check if a domain has a valid DKIM (DomainKeys Identified Mail) DNS record for a given selector. DKIM allows the receiver to verify that an email was sent by the domain owner.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name', 'dkim_selector'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to check DKIM records for, e.g. example.com'}, 'dkim_selector': {'type': 'string', 'description': 'The DKIM selector to look up, e.g. google, default, selector1'}}}
dmarc_check
DMARC Check
Check if a domain has a valid DMARC (Domain-based Message Authentication, Reporting & Conformance) DNS record. DMARC tells receiving servers what to do with emails that fail SPF or DKIM checks.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to check DMARC records for, e.g. example.com'}}}
dmarc_generate
DMARC Generator
Generate a DMARC DNS record for a domain. Returns the record name, value, and type ready to be added to DNS.
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name', 'email', 'dmarc_policy'], 'properties': {'email': {'type': 'string', 'description': 'The email address to receive DMARC aggregate reports, e.g. dmarc@example.com'}, 'domain_name': {'type': 'string', 'description': 'The domain to generate a DMARC record for, e.g. example.com'}, 'dmarc_policy': {'enum': ['none', 'quarantine', 'reject'], 'type': 'string', 'description': 'The DMARC policy: none (monitor only), quarantine (mark as spam), or reject (block entirely)'}}}
dns_lookup
DNS Lookup
Look up all DNS records for a domain in one query. Returns A, AAAA, CNAME, MX, NS, TXT, and SOA records.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to look up all DNS records for, e.g. example.com'}}}
imap_check
IMAP Check
Test an IMAP server connection by attempting to connect and authenticate. Use this to verify email receiving configuration.
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['imap_host', 'imap_port', 'username', 'password', 'imap_encryption'], 'properties': {'password': {'type': 'string', 'description': 'The IMAP password or app-specific password'}, 'username': {'type': 'string', 'description': 'The IMAP username for authentication'}, 'imap_host': {'type': 'string', 'description': 'The IMAP server hostname, e.g. imap.gmail.com'}, 'imap_port': {'type': 'integer', 'maximum': 65535, 'minimum': 1, 'description': 'The IMAP port number, e.g. 993 for SSL, 143 for unencrypted'}, 'imap_encryption': {'enum': ['ssl', 'tls', 'none'], 'type': 'string', 'description': 'The encryption protocol: ssl, tls, or none'}}}
imap_finder
IMAP Finder
Look up IMAP server settings (host, port, encryption) for a given email provider. Use this to find the correct IMAP configuration for services like Gmail, Outlook, Yahoo, etc.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['imap_provider_name'], 'properties': {'imap_provider_name': {'type': 'string', 'description': 'The email provider name to look up, e.g. gmail, outlook, yahoo'}}}
mx_lookup
MX Lookup
Look up MX (Mail Exchanger) records for a domain. Returns the mail servers and their priorities.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to look up MX records for, e.g. example.com'}}}
ptr_lookup
PTR Lookup
Reverse DNS lookup. Find the hostname associated with an IP address. A valid PTR record is important for email sending reputation.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['ip_address'], 'properties': {'ip_address': {'type': 'string', 'description': 'The IP address to look up, e.g. 8.8.8.8 or 142.250.80.46'}}}
smtp_check
SMTP Check
Test an SMTP server connection by attempting to connect and authenticate. If from_email and to_email are provided, the tool may attempt to send a test email. Only provide these fields if you are authorized to send from the account and intentionally want to test full sending capability.
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['host', 'port', 'username', 'password', 'encryption'], 'properties': {'host': {'type': 'string', 'description': 'The SMTP server hostname, e.g. smtp.gmail.com'}, 'port': {'type': 'integer', 'maximum': 65535, 'minimum': 1, 'description': 'The SMTP port number, e.g. 587 for TLS, 465 for SSL, 25 for unencrypted'}, 'password': {'type': 'string', 'description': 'The SMTP password or app-specific password'}, 'to_email': {'type': 'string', 'description': 'Optional recipient email address for sending a test email'}, 'username': {'type': 'string', 'description': 'The SMTP username for authentication'}, 'encryption': {'enum': ['ssl', 'tls', 'none'], 'type': 'string', 'description': 'The encryption protocol: ssl, tls, or none'}, 'from_email': {'type': 'string', 'description': 'Optional sender email address for sending a test email'}}}
smtp_finder
SMTP Finder
Look up SMTP server settings (host, port, encryption) for a given email provider. Use this to find the correct SMTP configuration for services like Gmail, Outlook, SendGrid, etc.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['provider_name'], 'properties': {'provider_name': {'type': 'string', 'description': 'The email provider name to look up, e.g. gmail, sendgrid, mailgun, outlook'}}}
spf_check
SPF Check
Check if a domain has a valid SPF (Sender Policy Framework) DNS record. SPF specifies which mail servers are authorized to send email on behalf of a domain.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to check SPF records for, e.g. example.com'}}}
spf_generate
SPF Generator
Generate an SPF DNS record for a domain based on the email provider being used. Returns the record name, value, and type ready to be added to DNS.
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name', 'provider', 'hard_fail_boolean'], 'properties': {'provider': {'type': 'string', 'description': 'The mail provider identifier, e.g. google, mailgun, sendgrid, postmark, amazon-ses'}, 'domain_name': {'type': 'string', 'description': 'The domain to generate an SPF record for, e.g. example.com'}, 'hard_fail_boolean': {'type': 'boolean', 'description': 'If true, uses strict -all policy (reject unauthorized senders). If false, uses soft ~all (mark but deliver).'}}}
txt_lookup
TXT Lookup
Look up all TXT records for a domain. TXT records contain SPF policies, domain verification tokens, DKIM keys, and other metadata.
Solo lectura
Acceso externo
Idempotente
Esquema de entrada
{'type': 'object', 'required': ['domain_name'], 'properties': {'domain_name': {'type': 'string', 'description': 'The domain to look up TXT records for, e.g. example.com'}}}
Historial
Cambios recientes en herramientas
Añadido
dns_lookup
17 de September de 2026 a las 12:37
Añadido
ptr_lookup
17 de September de 2026 a las 12:37
Añadido
cname_lookup
17 de September de 2026 a las 12:37
Añadido
txt_lookup
17 de September de 2026 a las 12:37
Añadido
mx_lookup
17 de September de 2026 a las 12:37
Añadido
blacklist_check
17 de September de 2026 a las 12:37
Añadido
imap_finder
17 de September de 2026 a las 12:37
Añadido
smtp_finder
17 de September de 2026 a las 12:37
Añadido
imap_check
17 de September de 2026 a las 12:37
Añadido
smtp_check
17 de September de 2026 a las 12:37
Añadido
spf_generate
17 de September de 2026 a las 12:37
Añadido
dmarc_generate
17 de September de 2026 a las 12:37
Añadido
bimi_check
17 de September de 2026 a las 12:37
Añadido
dmarc_check
17 de September de 2026 a las 12:37
Añadido
dkim_check
17 de September de 2026 a las 12:37
Añadido
spf_check
17 de September de 2026 a las 12:37
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