Custom JSP tags library lets you send mail via Gmail SMTP server. You have to have some Gmail account and this taglib let you use it for sending emails right from JSP. For example:
 

Tags are:

GmailSend

Body tag lets you send mail via Gmail SMTP. Tag's body describes a message. Attributes are:

1) user Describes a name for your account
2) password Describes a password
3) to Describes a commas separated list of addresses
4) subject Describes a subject for your message

for downloading:

Library: gmailtag.jar    Description: taglib.tld

 © Coldbeans      Comments?

See also Coldtags suite - the largest collection of custom JSP tags.

• Sendmail taglib
• Skype taglib