Vos pusiste:
$link = imap_open "{pop.iespana.es:110/pop3}INBOX","manuel", "manuel" );
Y debe ser:
$link = imap_open
( "{pop.iespana.es:110/pop3}INBOX","manuel", "manuel" );
suerte
<hr><font size=2 face="verdana">
- Pablo Daniel Rigazzi (Webstudio)
<font size=1 color="#333333">COORDINADOR PROYECTO REGIONALIZACION ARGENTINA
Visita <a href="http://www.web-studio.com.ar" target="_blank">Web Studio</a> - Tutoriales Photoshop</fo