Wietse Venema via Postfix-users wrote in
<[email protected]>:
|oftl--- via Postfix-users:
|> On Mon, Jul 14, 2025 at 06:01:20PM +1000, Viktor Dukhovni via Postfix-us\
|> ers wrote:
|>> On Sun, Jul 13, 2025 at 09:12:28PM +0200, oftl--- via Postfix-users \
|>> wrote:
|>>
|>>> Have an already up and running postfix *also* relay everything \
|>>> to another postfix.
|>>
|>> Yes, via an envelope-recipient preserving PCRE recipient Bcc table, and
|>> helper machinery to route and unmunge the addresses.
|>
|> Looks very interesting. But unfortunately there's no regexp support \
|> available.
|> And the installations of postfix and OS are quite old. Old enough, \
|> so that i
|> seriously do not want to touch it as long as the (currently dying) \
|> hardware
|> works.
|
|This could also be done with a regexp: table. This use case does
|not require PCRE's expressiveness and speed.
...
| /^"(.*)"@(.*)$/ "rcpt-bcc-${1}=${2}"@bcc.invalid
| /^(.*)@(.*)$/ rcpt-bcc-${1}=${2}@bcc.invalid
|
| bcc-generic.regexp:
| /^"rcpt-bcc-(.*)=(.*)"@bcc\.invalid$/ "${1}"@${2}
| /^rcpt-bcc-(.*)=(.*)@bcc\.invalid$/ ${1}@${2}
|
|Verified with
|
| postmap -q - 'pipemap:{regexp:rcpt-bcc.regexp,regexp:bcc-generic.regexp\
| }'
|
|for quoted and unquoted localparts.
And partially quoted? I have a bit of problems with ABNF, so
i think
local-part = dot-atom / quoted-string / obs-local-part
means "either dot-atom OR quoted-string", so tests like that from
my IMF parser (which requotes quoted display-names etc so that ie
dictionary lookups on unique keys would match a"b"c "ab"c a"bc"
etc via "abc")
"j ( GoOd ) d\t\"o\" e\t@ t7 . ex ( johnny ) ",
"\0\0\"jdoe\"\0t7.ex\0GoOd johnny\0",
could even be invalid syntax turned to something good (RFC 5322
maximally has
<pete(his account)@silly.test(his host)>
which does not help), but obs-local-part aka
obs-local-part = word *("." word)
word = atom / quoted-string
would at least imply that in between dots partially quoted strings
could occur.
This is nothing postfix worries about, and obs-local-part is
not supported?
--steffen
|
|Der Kragenbaer, The moon bear,
|der holt sich munter he cheerfully and one by one
|einen nach dem anderen runter wa.ks himself off
|(By Robert Gernhardt)
|
|During summer's humble, here's David Leonard's grumble
|
|The black bear, The black bear,
|blithely holds his own holds himself at leisure
|beating it, up and down tossing over his ups and downs with pleasure
|
|Farewell, dear collar bear
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