Surveys show retailers are in for another bleak holiday season, and some shops may be tempted to step up their e-mail marketing volume to compensate for drooping sales. Resist the urge, Stefan Pollard writes, warning that you could cripple your own efforts by setting off spam filters. "More than ever, your best defense against changing spamming filters is to send the e-mail your subscribers want: highly engaged messages that invite opens and clicks," he wrote.

Full Story:

Related Summaries