On Sat, Apr 05, 2003 at 02:49:12PM +0200, Emile van Bergen wrote: > On Sat, Apr 05, 2003 at 02:11:17PM +0200, Josip Rodin wrote: > > > To quote the documentation, > > > > Exim insists on there being at least one verifyable address in one of the > > "Sender:", "Reply-To:", or "From:" headers (which are checked in that order) > > on all incoming SMTP messages. If one cannot be found, the message is > > rejected, unless "headers_checks_fail" is unset, in which case a warning > > entry is written to the reject log. > > The big question is, what is a "verifyable address" in this context? As > in 'domain must have MX or A record'? As in 'VRFY', i.e. primary MX's > MTA must not reject? > > Of course, the whole concept of verifyable addresses is a bit flawed > because it's too vague. A bitbucket or an address that will always > bounce at the MDA stage is still "verifyable" by a lot of definitions. Glancing at the exim code, it appears to connect to the MX and see if it objects to a RCPT TO. -- .''`. ** Debian GNU/Linux ** | Andrew Suffield : :' : http://www.debian.org/ | Dept. of Computing, `. `' | Imperial College, `- -><- | London, UK
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