MCP-Server
Qualisend Email Verification
com.qualisend/email-verification
Was dieses MCP kann
Verifies individual and bulk email addresses, checks domain authentication and blacklist status, analyzes headers, detects disposable or role accounts, and generates DNS authentication records.
Funktionen
Tools
12
Tools
analyze_email_header
Analyze an email's headers
Read the hidden technical details of an email (its 'headers') to show the route it took, how long each step took, and whether it passed spam/authentication checks - handy for figuring out why a message was slow or went to spam. Paste the message source / 'Show original'. No credit used. Available on the Qualisend Pro plan.
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Eingabeschema
{'type': 'object', 'required': ['raw'], 'properties': {'raw': {'type': 'string', 'description': 'The raw email headers (paste the message source).'}}, 'additionalProperties': False}
check_blacklist
Check a domain or IP against email blacklists
Check whether a sending domain or IP is currently on any of the major email blacklists that can push your mail to spam - a point-in-time reputation check across lists like Spamhaus, SpamCop, and Barracuda. No credit used. Requires the Qualisend Blacklist Monitoring add-on. Read the result carefully: `listed_on` are confirmed listings, while `undetermined_on` are lists that did not answer (commonly Spamhaus refusing a shared resolver). `clean` is true only when every list answered and none matched, so a non-empty `undetermined_on` means those lists are UNKNOWN - do not report them as clear or as listings.
Nur Lesen
Externer Zugriff
Eingabeschema
{'type': 'object', 'required': ['target'], 'properties': {'target': {'type': 'string', 'description': 'A domain (acme.com) or an IPv4 address.'}}, 'additionalProperties': False}
check_disposable
Check if an email is throwaway / generic / free
Tell whether an email address is a throwaway/temporary one, a generic team inbox (like info@ or support@), or a free consumer address (like gmail) - useful for spotting low-quality sign-ups. No credit used. Available on the Qualisend Pro plan.
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Eingabeschema
{'type': 'object', 'required': ['email'], 'properties': {'email': {'type': 'string', 'description': 'The email address to check.'}}, 'additionalProperties': False}
check_domain
Check a domain's email setup
Check whether a domain is set up to send email that reaches the inbox - its mail servers plus its SPF and DMARC sender-authentication, and what's missing. A plain deliverability health check for a sending domain. No credit used. Available on the Qualisend Pro plan.
Nur Lesen
Externer Zugriff
Eingabeschema
{'type': 'object', 'required': ['domain'], 'properties': {'domain': {'type': 'string', 'description': 'The domain to check, e.g. acme.com.'}}, 'additionalProperties': False}
check_typo
Suggest a fix for a mistyped email
Spot a likely typo in an email's domain (like gmial.com) and suggest the correct one, so you don't lose contacts to misspelled addresses. No credit used. Available on the Qualisend Pro plan.
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Eingabeschema
{'type': 'object', 'required': ['email'], 'properties': {'email': {'type': 'string', 'description': 'The email address to check for a typo.'}}, 'additionalProperties': False}
generate_dns_record
Create an email-authentication DNS record
Create the exact DNS setting a domain needs so its email is trusted and harder to spoof - SPF, DMARC, BIMI, or MTA-STS. Returns the record to copy into DNS, with where to put it. No credit used. Available on the Qualisend Pro plan.
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Eingabeschema
{'type': 'object', 'required': ['type', 'domain'], 'properties': {'all': {'enum': ['~all', '-all', '?all'], 'type': 'string', 'description': 'SPF: how strict to be with everyone else (default ~all).'}, 'ip4': {'type': 'array', 'items': {'type': 'string'}, 'description': 'SPF: allowed IPv4 addresses/ranges.'}, 'ip6': {'type': 'array', 'items': {'type': 'string'}, 'description': 'SPF: allowed IPv6 addresses/ranges.'}, 'pct': {'type': 'number', 'description': 'DMARC: percent of mail the policy applies to.'}, 'rua': {'type': 'string', 'description': 'DMARC: email to receive summary reports.'}, 'ruf': {'type': 'string', 'description': 'DMARC: email to receive detailed failure reports.'}, 'mode': {'enum': ['enforce', 'testing', 'none'], 'type': 'string', 'description': 'MTA-STS: policy mode (default testing).'}, 'type': {'enum': ['spf', 'dmarc', 'bimi', 'mta-sts'], 'type': 'string', 'description': 'Which record to create.'}, 'domain': {'type': 'string', 'description': 'The domain the record is for.'}, 'policy': {'enum': ['none', 'quarantine', 'reject'], 'type': 'string', 'description': 'DMARC: what to do with mail that fails checks.'}, 'logoUrl': {'type': 'string', 'description': "BIMI: https link to the brand's SVG logo."}, 'mxHosts': {'type': 'array', 'items': {'type': 'string'}, 'description': "MTA-STS: the domain's mail-server hostnames."}, 'includes': {'type': 'array', 'items': {'type': 'string'}, 'description': 'SPF: services allowed to send (e.g. _spf.google.com).'}, 'authorityUrl': {'type': 'string', 'description': 'BIMI: https link to the VMC certificate.'}}, 'additionalProperties': False}
get_credit_balance
Get credit balance
Return the number of verification credits available in your Qualisend workspace.
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Eingabeschema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
get_verification
Get a verification result
Look up the status and result of a verification you started, by job_id (returned from verify_email/verify_emails). For a single check it returns the final verdict once the mailbox probe completes; for a batch it returns progress + a result-mix summary.
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Eingabeschema
{'type': 'object', 'required': ['job_id'], 'properties': {'job_id': {'type': 'string', 'description': 'The job_id returned by a verify tool.'}}, 'additionalProperties': False}
lookup_smtp_code
Explain a mail-server error code
Explain a mail-server reply/error code (like 550 or 5.1.1) in plain English, and say whether it's a temporary hiccup or a permanent failure. No credit used. Available on the Qualisend Pro plan.
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Eingabeschema
{'type': 'object', 'required': ['code'], 'properties': {'code': {'type': 'string', 'description': 'The SMTP code, e.g. 550 or 5.1.1.'}}, 'additionalProperties': False}
verify_email
Verify an email address
Verify a single email address - syntax, domain/MX, disposable + role detection, typo suggestion, and mailbox reachability. Returns a deliverability verdict (deliverable / risky / undeliverable / unknown). Consumes 1 credit.
Externer Zugriff
Eingabeschema
{'type': 'object', 'required': ['email'], 'properties': {'email': {'type': 'string', 'description': 'The email address to verify.'}}, 'additionalProperties': False}
verify_emails
Verify a batch of email addresses
Verify up to 50 email addresses at once and get a deliverability verdict for each, synchronously. Consumes 1 credit per address. For larger lists (up to 1000), use verify_list.
Externer Zugriff
Eingabeschema
{'type': 'object', 'required': ['emails'], 'properties': {'emails': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 50, 'description': 'Email addresses to verify (1-50).'}}, 'additionalProperties': False}
verify_list
Verify a large list of email addresses
Verify a large list of up to 1000 email addresses. This runs ASYNCHRONOUSLY: it creates ONE bulk job, returns a job_id immediately, and the mailbox probes run in the background. Poll get_verification with the job_id for progress and a result summary (counts by verdict). Consumes 1 credit per address. For lists larger than 1000, use the Qualisend dashboard or bulk API.
Externer Zugriff
Eingabeschema
{'type': 'object', 'required': ['emails'], 'properties': {'emails': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 1000, 'description': 'Email addresses to verify (1-1000).'}}, 'additionalProperties': False}
Verlauf
Letzte Tool-Änderungen
Geändert
check_blacklist
19. September 2026 02:52
Hinzugefügt
check_blacklist
17. September 2026 12:37
Hinzugefügt
lookup_smtp_code
17. September 2026 12:37
Hinzugefügt
check_typo
17. September 2026 12:37
Hinzugefügt
check_disposable
17. September 2026 12:37
Hinzugefügt
analyze_email_header
17. September 2026 12:37
Hinzugefügt
generate_dns_record
17. September 2026 12:37
Hinzugefügt
check_domain
17. September 2026 12:37
Hinzugefügt
get_verification
17. September 2026 12:37
Hinzugefügt
get_credit_balance
17. September 2026 12:37
Hinzugefügt
verify_list
17. September 2026 12:37
Hinzugefügt
verify_emails
17. September 2026 12:37
Hinzugefügt
verify_email
17. September 2026 12:37
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