Mass Email Throttling. What it is and Why it Matters to your Email Delivery Rates

9. April 2014

Like all commercial email providers, Voodoo's servers utilize an outgoing Throttling Rate to slow the sending process. 

This is a built-in anti-spam measure, to prevent Voodoo and our clients from being perceived as email spammers by receiving servers—and potentially getting blacklisted as a result.There are notable benefits of a slower throttling rate.

1) Higher Deliverability—Slower broadcast speeds almost always result in higher deliverability rates and fewer problems with receiving ISPs' and companies' spam filters and firewalls.

2) Manageable Customer Service—Another benefit involves your ability to provide improved customer service and response. A slower-paced email broadcast helps you control how quickly people respond to a given offer, so your staff is not overwhelmed by the need for immediate personal follow - up. For cases like this, Voodoo allows clients to dial back the send rate all the way down to 10 emails per hour—a trickle by commercial email standards. With email throttling, the best choice is always the slowest choice you are comfortable with.

 

Voodoo Default Send Rates

Voodoo clients have a maximum send rate of 600 emails per hour, so calculate your delivery times accordingly. For example, at a send rate of 600 emails per hour, a broadcast to 1800 contacts will take just over 3 hours to complete. Any Voodoo client can apply for approval and installation of a doubled throttling rate for an additional fee. Approval is at Voodoo’s sole discretion, and based on certified assurances that the client adheres to strict anti-spam emailing policies and utilizes only "clean" double-opt-in lists in their Voodoo accounts.

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