Hello there,
How are you doing ?
I have reviewed your requirement to make an system to send email many users and I am very much comfortable with the scope of the work.
I am currently working at the same project are you are looking, There is limit to send 5000 emails in one day.
I have strong experience in PHP, WordPress, mysql, mail chimp, plugin customization etc completed many projects.
I can start work immediately , Always available for communication either skype, phone, email etc
Please feel free to let me know if you have any type of Question, I'll be happy to assist you,
Looking forward t hear from you soon,
Thanks,
Vinod