suppose there is an domain xyz.com accepting mails for its user say there are a, b and c users and administrator which will recieve mails for unresolve members i am sending one mail at dummy@xyz.com. dummy is not valid mailbox still the mesg will be delivered to administrator of xyz.com. so there will be not send fail exception. what should be done in this case ? --kunal > -----Original Message----- > From: Turner, John [mailto:JTurner@AAS.com] > Sent: Wednesday, October 09, 2002 7:33 PM > To: 'Tomcat Users List' > Subject: RE: How to validate email address in JSP > by using javax.mail? > > > > Typically, there is no way to validate an email > address. For various > reasons, any mail administrator with half a brain > turns off the VRFY command > on their mailserver, which is the only 100% > guaranteed way to validate an > email address without sending a message and > looking for a bounce or other > error. > > Other than that, you can take some precautions on > the processing end, like > checking for minimum length, the presence of '@', > and a valid MX lookup on > the domain name, and even a valid connection to > port 25 of the host listed > in that MX record. All of that stuff, though, is > regular Java, with nothing > to do with javax.mail. > > You can always try and send the message, then > look for SendFailedException, > but you'd have to do the send first. > > John > > > > -----Original Message----- > > From: Jack Li [mailto:JLi@MurraysDiscount.com] > > Sent: Wednesday, October 09, 2002 9:54 AM > > To: 'tomcat-user@jakarta.apache.org' > > Subject: How to validate email address in JSP > by using javax.mail? > > > > > > Hi, How to validate email address in JSP by > using javax.mail? > > > > > > > > Thanks, > > > > Jack Li > > > > > __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com -- To unsubscribe, e-mail: For additional commands, e-mail: