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I need consultancy in choosing some tools to send mass mail (40.000 mails) for an invitation to a list that i have.
I am looking for professional tools, for free tools.
What i want to know is if mail was opened and how many mails are in inbox.
Also i am interested to not get my IP banned but to be able to send 40.000 in a fast way.
To apply to this job please write READY and write what tools are you using for this kind of activity. Also include of budget that is needed for this to buy/acquire different tools.