Marc Perkel wrote: > > > Renaud Allard wrote: >> Marc Perkel wrote: >> >>> Renaud Allard wrote: >>> >>>> Marc Perkel wrote: >>>> >>>> >>>>> Trying to figure out how to do this. I want to do something like a >>>>> recipient verify but not verify the recipient. I want to attempty to >>>>> verify a fixed email address that should be an address that doesn't >>>>> exist so that I can tell if the recipient server takes wildcard addresses. >>>>> >>>>> What I'm trying to do is figure whick of my customers allows wildcard >>>>> emails. But I can figure out how to test for a fixed email address >>>>> rather than the sender or recipient. >>>>> >>>>> >>>>> >>>>> >>>> >From exim docs: >>>> http://www.exim.org/exim-html-4.66/doc/html/spec_html/ch40.html#SECTcallver >>>> >>>> verify = sender/callout,random >>>> >>>> >>> OK - I'm trying to wrap my brain around this and have a headache. Anyone >>> have an example of using the random option to prevent excess callbacks? >>> >>> >> I used it quite much for sender verifies till I got blacklisted by >> conducive.org for doing so ;) >> It really prevents you from doing lookups for domains that accept >> everything. >> > > I'm confused - this looks like something that would reduce verification > lookups. How is it that it caused you to get blacklisted? >
This is a rather old story that can be searched in the archives. To be short, I was blacklisted because I (obviously) used a non existing recipient address and the domain had quite strict policies about this kind of behavior. But this is quite OT.
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