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.
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