[Exim] Re: Got error 'empty (sub)expression' from regexp

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Author: Daniel M. Drucker
Date:  
To: exim-users
Subject: [Exim] Re: Got error 'empty (sub)expression' from regexp
On 2003-11-23, Christian Vogel <chris@???> wrote:
> but 'address@???' should be a valid regexp pattern[1]. Maybe you
> will get invalid sql-patterns for some sender addresses? You probably
> should try '=' here?


Here's some more useful log entries:

main.log.1:2003-11-23 02:26:57 1ANoe0-0005Ql-HJ failed to expand
"${lookup mysql{SELECT value FROM userpref WHERE
preference='whitelist_from' AND value rlike
'${quote_mysql:${sender_address}}' } {$sender_address}}" while
checking a list: lookup of "SELECT value FROM userpref WHERE
preference='whitelist_from' AND value rlike '' " gave DEFER: MYSQL:
query failed: Got error 'empty (sub)expression' from regexp


Here, the question is how did sender_address end up blank? Isn't
sender_address the value given at the "mail from" stage, and doesn't
exim refuse to continue beyond that stage without a value?




--
Daniel Drucker / dmd@???