Hello Nirva patel,
Please accept my bid for 2 million as we discussed already about this project.
To ensure INBOX delivery, we will give you multiple IP addresses that are already reputed with ISPs like yahoo, AOL, Gmail.
To deliver your emails we also have a email delivery dapartment who work with ISPs to ensure your mail goes in the inbox always.
We are very experienced and professional in this field. Rest assured your mails will always go in inbox.