Is there any subscription management software which is completely free?

Want to automate the payment collection of my customers.

Does the free trial of the subscription billing software will be helpful in the conversion?

I'm looking for an open source email builder which I can integrate with my current email service. Where will I get it?

MailChimp Review: Can anyone share his thoughts about MailChimp?

I need IP's for sending bulk emails, Is there any way to get IP for sending bulk emails. I will do legitimate email marketing, less bounce and spam.

Is there any place where I can get 100's of free email templates for different business niches?

I am using MailChimp for my email marketing service but i am not happy with the inboxing rate.Did any one tried Amazon SES for sending emails and how is there inboxing percentage?

Can any one mention all the SMTP servers that is available at market that allow to send free emails?

We want send bulk emails can we use OVH server for it. Is there any limitations if we use OVH server?

I want to install PMTA over Godaddy to send bulk emails, Is it a good option to send bulk emails via Godaddy?

I want to connect external service with Yahoo, Hotmail, Gmail SMTP port to send emails,What are the SMTP details and ports number to connect with their server?

I want to connect external SMTP to send emails for WooCommerce, Is it possible to do it?I want to send payment receipts, cancellation payment notice, chain product info for WooCommerce?

Is it possible to connect external SMTP to connect in WordPress to send transaction emails?