Marketers, make sure you are not being list-bombed and blocked by Spamhaus

Recently, valid email addresses have been fraudulently added to many open email lists, flooding inboxes with spam and resulting in a blockage of IP addresses.

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From http://feeds.marketingland.com/~r/mktingland/~3/hMs1UGU_3x4/marketers-make-sure-not-list-bombed-blocked-spamhaus-189466

source https://jessicaevieblog.wordpress.com/2016/08/26/marketers-make-sure-you-are-not-being-list-bombed-and-blocked-by-spamhaus/