[Koha] How to set mail receiving option in koha 2.2.9 ?

[K.Dinesh]

Dear all,
   I am trying to implement an online library in my organisation using koha
2.2.9. I need to receive mail when an user reserves and also issued a book.
i had set a mail server in the server. In Overdue list, there is a option of
email which asks me to sign into either gmail or yahoo.
   Please any one help me in setting this.

Thanks in advance.
Note : koha 3.x currently i cannot use. so, please help me with koha 2.2.9

-- 
Regards,
K .Dinesh
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