Vasiliy G Tolstov wrote:
> В Срд, 19/08/2009 в 11:52 +0200, Renaud Allard пишет:
>
>> Because RFC5321 (and 2821, 821) says so:
>>
>> Here is what RFC says (I removed useless parts):
>>
>> Reverse-path = Path / "<>"
>>
>> Path = "<" [ A-d-l ":" ] Mailbox ">"
>>
>> A-d-l = At-domain *( "," At-domain )
>> ; Note that this form, the so-called "source
>> ; route", MUST BE accepted, SHOULD NOT be
>> ; generated, and SHOULD be ignored.
>>
>> At-domain = "@" Domain
>>
>> Mailbox = Local-part "@" ( Domain / address-literal )
>>
>> Local-part = Dot-string / Quoted-string
>> ; MAY be case-sensitive
>>
>>
>> Dot-string = Atom *("." Atom)
>>
>> Atom = 1*atext
>>
>>
>> atext = ALPHA / DIGIT / ; Any character except controls,
>> "!" / "#" / ; SP, and specials.
>> "$" / "%" / ; Used for atoms
>> "&" / "'" /
>> "*" / "+" /
>> "-" / "/" /
>> "=" / "?" /
>> "^" / "_" /
>> "`" / "{" /
>> "|" / "}" /
>> "~"
>>
>> So, basically, you can have a valid mailbox like this (without quotes)
>> "/dev/null.{[email protected]"
>>
>
>
> Thank You! Hm... But what is right condition to test local_part of the
> sender address ?
>
deny
local_parts = ^...@%!|] : ^\\.
That's about it
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