I am looking to get my email list verified. I have thousands of emails and increasing daily. Please suggest some good providers for bulk email verification.

Is it worth to buy an email list? How can I do that?

Is “unsubscribe link” very important term in email marketing?

Is there any tool where I can create and send beautiful emails with $0 cost.I want to send approx 200000 emails every month.

What is the best email validation software for newcomers in the email marketing field that is very easy to understand?

Can you name the email marketing companies that run from India and are very successful ?

I don’t want to manage revenue analytics manually. Can any software automatically manage the same?

I want to increase my domain reputation so that whenever I send any emails they go inside the email inbox.I have few questions regarding my domain reputation.How do I track my domain reputation?How do I improve it? 

I want to know the list management factors, can you just explain it in an easy way.

Is there any significant day or time for sending marketing emails?

How can I create signup form?

How can I resend the non-open emails automatically? Any ESPs that provide email campaign tracking?

I'm getting a very less open rate. What practices should I follow in order to increase it?

Suggest me the best SMTP server to send bulk emails which will not affect the email deliverability