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| webový signál (An external reference, such as a graphic image, linked to an external Web server that is placed in an HTML-formatted message. It can be used to verify that your e-mail address is valid when the message is opened and images downloaded) | |||
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| webový signál (An external reference, such as a graphic image, linked to an external Web server that is placed in an HTML-formatted message. It can be used to verify that your e-mail address is valid when the message is opened and images downloaded) | |||
