I've decided that I'd like to process plussed addresses at a certain point
in my procmail recipes.
The to: field can be of the for:
sir.alan is delivered to alan because of a sendmail virtual user table
Basically, what I think I want to detect is stuff in the local part after
the plus, eg web above but I might in the future want to handle alan+web
differently from sir.alan+web. Also, I think I should detect the domain
as well, domain1.example, domain2.example etc.
The aim is to compare the address with a list or lists and allow plussed
addresses in without further pocessing unless they are in a list. For
instance, sir(_dot_)alan+web(_at_)domain1(_dot_)example will not be allowed in
further processing but if I sign up with a new bank and give an address of
alan+banksname@ to them, then the default action at this point in the
processing is to to allow emails to that address.
So what is a good way of handling this? Can I put, and how, the various
parts into variables? Or would it just be simpler to detect the + in the
(written without reference to docs so syntax might be incorrect) and then
just check the to: and cc: addresses against a list of complete addresses
such as alan+web(_at_)domain2(_dot_)example - I do something similar elsewhere
that shouldn't be a problem to implement?
( Please do not email me AS WELL as replying to the list. Please
address personal email to alan+1@ as lists@ is not read. A
password autoresponder may be invoked if this email is very old. )
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