On Fri, Mar 25, 2022 at 06:01:43AM -0400, Michael Grant wrote:
Unless there's an existing function in some plugin to do this, I'll
have to write my own. Little surprising that there isn't, this seems
like an obvious check!
On 2022-03-25 13:27, Henrik K wrote:
There is already very basic HEADER() template support added in
trunk/4.0.0,
this would generally work:
askdns UNSUB_NXDOMAIN _HEADER(List-Unsubscribe:host)_ MX [NXDOMAIN]
It just tries to find something resembling a hostname (having valid
TLD) in
the header, preferring to match @(.*) first. So it doesn't
differentiate
between http, mailto etc.
On 25.03.22 14:34, Benny Pedersen wrote:
is MX here include A/AAAA ?
common mistake many places, if there is no MX on a domainname, then
most checkers say domain send no mail from A/AAAA, doh :=)
simply said, mail is deliverable, if
- MX exists and the destination is not "."
- or, A/AAAA exist.
that would require plugin or a few meta rules.
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