Le 12/01/2011 00:09, Andy Spiegl a écrit :
>> More specifically, "u...@example.com" is a defined email address and 
>> you want to accept all "prefix.u...@example.com" variants for valid
>> users and arbitrary prefixes?
> Exactly!
> 
>> Well, it is not really an "extension", rather a prefix.
> Oops, you are right of course.
> 
>> You need a "tcp table", or MySQL virtual(5) table that will map alll
>> such inputs to just the bare "u...@example.com", but unlike a regexp
>> table, ONLY when the user is valid.
> Uhm, could you elaborate on this a bit.  I am still pretty new to
> complicated postfix setups...
> 

the idea is

mysql> select substring_index("joe....@example", ".", -1);
+---------------------------------------------+
| substring_index("joe....@example", ".", -1) |
+---------------------------------------------+
| j...@example                                 |


so simply use
virtual_alias_maps =
        ...
        old_dotted_addr.cf

then set QUERY as above.


> Thanks a lot!
>  Andy.
> 

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