[Dovecot] How LDA deliver mail

[mouss]

alex_dovecot wrote:
>  hi,all
>  
>  
>     I read some part of the source code for studying and interesting. But i face trouble when I read the 'deliver.c'.
>     In file 'deliver.c' on line 812 , there is a function named 'deliver_mail', see below:
>     deliver_mail(storage, mail, destination, mailbox)
>  
>     I couldn't find out where is this function defined and how it was linked.
>  

the function is defined by plugins. look at dovecot-sieve source code 
for example.