94 Free or Low-Cost Tools and Resources for Nonprofits
Nonprofit Tech for Good
SEPTEMBER 6, 2022
Newsletter Spam Check :: mail-tester.com. This free tool reveals if your website domain is on a blacklist, flagged for spam, and properly set up for SPF, DKIM, and DMARC protocols. Thesaurus.com allows you to search for alternative words that you use too often when writing web and email content. See also OptInMonster.
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