If you are spending too much time and money to get new customers, then STOP RIGHT THERE and focus more on your existing customers. Every successful business has customers’ list that is acquired obviously over a period of time. But that isn’t permanent… All businesses lose their customers now or then, therefore it’s very necessary to maintain the existing customers.
Bulkresponse SMTP relay service or Simple Mail Transfer Protocol is a communication standard used to transmit emails across the internet. It simplifies the communication between servers by breaking the email message into categories such that the other server can easily understand.