For those of you whose email marketing tool doesn’t allow spam check before you send your newsletter, try this completely free tool from Lyris.com. It allows you to do spam check on your mailing, thus decreasing the amount of your marketing emails needlessly ending up in spam folders.

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I also recommend you check this free tool to see if your IP address has been blacklisted as again this could affect you e-mail devliverability. For IP address blacklist check click here.