[Dshield] Raynote appealing for ISP commonsense

Bruyere, Michel mbruyere at ezemcanada.com
Fri Jan 23 20:23:52 GMT 2004

<Major Snip>

> How can ISP A tell whether a given email address at ISP B is valid?

The ISP will send a test email to the dest address, if no NDR is received
the real email will be sent, if a ndr is received, the email will be



More information about the list mailing list