What a wonderful world spammers have brought us! On 2011-10-28, at 6:04 PM, Ramsey Gurley wrote:
> What Chuck said. > > But to elaborate: 1) You can check the format. 2) You can check the domain > for an MX record. (Be aware step 2 can take several seconds or more.) and 3) > send an email. Anything other than that is pointless. > > You could try to check the address at the mail server with VRFY. That is what > the command is intended to do, but no sane mail server admin enables it. > Spammers would build lists by guessing randomly. > > If VRFY is off, then using RCPT TO without sending an email is considered > abusive and will generally get you blocked by the mail server and > blacklisted. Not only that, but many mail servers are configured to receive > mail for any address, whether it exists or not, so even RCPT TO is pointless. > > So... send an email and make the recipient click something before giving them > a cigar. It's the only way to be sure. (^_^) > > Ramsey > > On Oct 28, 2011, at 5:43 PM, Chuck Hill wrote: > >> I think the only way to do that is to send an email to that account with a >> verification link (direct action back into the app) that needs to be clicked >> once the mail is received. >> >> >> On 2011-10-25, at 8:37 AM, Gino Pacitti wrote: >> >>> Hi List >>> >>> Is there any Framework to validate if an email address being entered >>> ACTUALLY exists... >>> >>> Not just that its correctly formatted but that the account exists on a >>> server somewhere? >>> >>> I have an app that needs Contact Information validation.... >>> >>> GIno >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >>> Help/Unsubscribe/Update your Subscription: >>> http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net >>> >>> This email sent to ch...@global-village.net >> >> -- >> Chuck Hill Senior Consultant / VP Development >> >> Practical WebObjects - for developers who want to increase their overall >> knowledge of WebObjects or who are trying to solve specific problems. >> http://www.global-village.net/products/practical_webobjects >> >> >> >> >> >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-dev/rgurley%40smarthealth.com >> >> This email sent to rgur...@smarthealth.com > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net > > This email sent to ch...@global-village.net -- Chuck Hill Senior Consultant / VP Development Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
