Property talk:P11221

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email unsubscribe URL or email
website or email address which allows a user to unsubscribe to an email subscription for news, announcements, offers and updates relating to an organisation, product or service

Data type	URL
Domain	organization (Q43229), product (Q2424752), service (Q7406919) or electronic mailing list (Q304863)
Example	Linux kernel mailing list (Q6555099) → mailto:majordomo@vger.kernel.org?body=unsubscribe%20linux-kernel Common Vulnerabilities and Exposures (Q94950995) → mailto:lms@mitre.org?subject=signoff%20cve-announce-list Wikidata mailing list (Q32856024) → https://lists.wikimedia.org/postorius/lists/wikidata.lists.wikimedia.org/
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P11221 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 16 Main statement 12 75% of uses Qualifier 3 18.8% of uses Reference 1 6.2% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “organization (Q43229), product (Q2424752), service (Q7406919), electronic mailing list (Q304863)”: item must contain property “instance of (P31)” with classes “organization (Q43229), product (Q2424752), service (Q7406919), electronic mailing list (Q304863)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11221#Type Q43229, Q2424752, Q7406919, Q304863, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11221#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P11221#Entity types