IPWorks S/MIME 2020 PHP Edition

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Boundary Property

The boundary separating the MIME parts. Maximum length of 80 bytes.

Object Oriented Interface

public function getBoundary();
public function setBoundary($value);

Procedural Interface

ipworkssmime_mime_get($res, 1 );
ipworkssmime_mime_set($res, 1, $value );

Default Value



This property contains the boundary separating the MIME parts and has a maximum length of 80 bytes. The class will automatically generate a random boundary value during encoding if no value is given. During decoding this property is filled with the boundary from the actual MIME message.

The class will truncate any string longer than 80 bytes if assigned to Boundary.

Data Type


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