dovecot - Nov 2013 - how can i change the content of rejected message

i use dovecot 1.2.15 and set quota in the system and when the quota full for
one user1 and other user2  sent a email to this user1 a rejected email will
sent to user2 

i want to change the content and the title of this email  ??? 


Thanks in advance



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> On Nov 19, 2013, at 4:00, ihab <ihab_mishriki at hotmail.com> wrote:
> 
> dovecot 1.2.15
Dovecot 1.x is no longer supported, AIUI.