User mail and mailing list

Hi All,

I want get user e-mail to send announcement.

how to get user e-mail or how to mass e-mail all user?

Thank you

Which version of OJS are you using, are you on a 2.x or the 3.x OJS version? (or is it another software like OMP or OCS you are asking about?)

I use OJS 3.0.2 Version