[June 30, 2015]

Return Path Frequency Analysis Reveals Consumer Appetite for More Email Marketing

Data solutions provider Return Path today announced findings from a new research study on email frequency optimization, examining a highly contested topic among marketers and consumer advocates. Return Path analyzed the user behavior of more than 600,000 users over a three-month period to identify the optimal sending frequency based on subscriber engagement. Findings suggest that every sender's 'magic number' -- the frequency that generates maximum response without excessive complaints -- not only differs among brands, but differs dramatically based on account type. According to these results email marketers can send more frequently -- but not necessarily to people's primary accounts.

Subscribers Tolerate More Email Than Many Marketers Realize

While it is still true that complaints increase and read rates decline with increased frequency, the threshold at which more complaints offset the benefit of more reads is quite high. Return Path focused on the subset of consumers receiving email from at least five commercial senders to discover the relationship between increased frequency and its resulting effect on complaints and read rates. Among highly active email users, most tolerate up to an average of five messages per week before complaints offset increases in messages read. (When users complain by indicating that a commercial message is spam, mailbox providers stop delivering the sender's email to the inbox, effectively ending their email relationship.)

This analysis highlights a missed opportunity for many brands included in the study. Email marketers should employ more frequency testing to uncover their capacity to send and sell more.

Primary Accounts: Most Valuable, Least Tolrant

One key to optimizing for frequency is segmenting by account type. Return Path identified three distinct groups based on users' overall interaction with email: primary, secondary, and dead accounts. Primary accounts, the most actively checked, make up only 24% of all email accounts yet they represent 83% of all messages read. While primary users are highly engaged, they are also not shy in voicing their displeasure, accounting for half of total email complaints.

As they represent the majority of reads as well as complaints, primary users are the key audience marketers should optimize their programs for -- albeit cautiously. These users are the best critics to market to as they won't hesitate to praise (read, click through) or criticize (complain, unsubscribe) any shifts in frequency.

More tolerant were secondary account holders who interact with their mailboxes less often and represent fewer reads, but are less than half as likely as primary account holders to complain. These subscribers may represent a frequency test audience that marketers can approach less cautiously.

The complete study is available on the Return Path website at: http://returnpath.com/research/frequency-matters-the-keys-to-optimizing-email-send-frequency/

Methodology

To study consumer response to email marketing frequency, Return Path analyzed subscriber engagement with more than 199 million messages delivered to the inboxes of more than 600,000 account holders between December 2014 to February 2015. Comparisons of frequencies' influence on engagement were limited to account holders that received commercial messages from at least five senders. Primary, secondary, and dead account classifications were determined by account holders' total activity within mailboxes.

About Return Path

Return Path analyzes the world's largest collection of email data to show marketers how to stay connected to their audiences, strengthen their customer engagement, and protect their brands from fraud. Our solutions help mailbox providers around the world deliver great user experiences and build trust in email by ensuring that wanted messages reach the inbox while spam and abuse don't. Find out more about Return Path email optimization and email fraud protection solutions at www.returnpath.com.

View source version on businesswire.com: http://www.businesswire.com/news/home/20150630005899/en/

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