Here’s a list of some of my favorite tools.
MXtoolBox : Check your mx records, blacklists, analyze email headers , diagnostics and so much more.
SenderScore: Check your IP health and history. This should be used as a guideline and not your bible.
WebofTrust: Here you can view website ratings and view feedback from actual users.
Subjectlin.es : This is an interesting resource to have, as it monitors subject lines and scores them based on recipients feedback when marked as “spam.” It can filter by subject, sender or markets and can be a useful resource when trying to develop new subject lines or avoid “spammy” ones.
Emailium: Another great resource for reviewing email content. They have a global database of email campaigns, emails are no longer hidden behind a subscription wall, but are available for analysis and inspiration.
Happy mailing – g