Abusing Elastic Mail/ Mail Chimp for Bulk Mailing

So – I am building a community on Telegram by sending out bulk mails and the results are pretty wonderful. I started out by using Elastic Mail and obviously given that my mails weren't double opt-in – there were some spam reports and they blocked me for spamming pretty soon.
I had sent out about 200k mails by then.
The thing I love about Elastic Mail is that their mails have really amazing inbox / open rate. Its pretty fast too.
I tried the hard way by building my own SMTP – using 10…

Abusing Elastic Mail/ Mail Chimp for Bulk Mailing