IPWorks S/MIME 2020 PHP Edition

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RecipientCertSubject Property

The subject of the certificate used for client authentication.

Object Oriented Interface

public function getRecipientCertSubject($recipientcertindex);
public function setRecipientCertSubject($recipientcertindex, $value);

Procedural Interface

ipworkssmime_snntp_get($res, 66 , $recipientcertindex);
ipworkssmime_snntp_set($res, 66, $value , $recipientcertindex);

Default Value



The subject of the certificate used for client authentication.

This property must be set after all other certificate properites are set. When this property is set, a search is performed in the current certificate store certificate with matching subject.

If a matching certificate is found, the property is set to the full subject of the matching certificate.

If an exact match is not found, the store is searched for subjects containing the value of the property.

If a match is still not found, the property is set to an empty string, and no certificate is selected.

The special value "*" picks a random certificate in the certificate store.

The certificate subject is a comma separated list of distinguished name fields and values. For instance "CN=www.server.com, OU=test, C=US, E=support@nsoftware.com". Common fields and their meanings are displayed below.

CNCommon Name. This is commonly a host name like www.server.com.
OUOrganizational Unit
EEmail Address

If a field value contains a comma it must be quoted.

The size of the array is controlled by the RecipientCertCount property.

This property is not available at design time.

Data Type


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IPWorks S/MIME 2020 PHP Edition - Version 20.0 [Build 7721]