Posting your email address online will make it susceptible and vulnerable to being scraped by an email extractor. An email extractor is a program designed to harvest or spider email addresses from websites online. If your email is publicly display in a forum or blog then it’s possible than will may be picked up by an unwanted email spider.
In most cases this is how spammer’s acquire your information in the first place. You can avoid this all-together by never posting your email address publicly without exception.email extractor
Use some intelligence behind how your email is posted online. If you simply post your email as username @ domain.com then you’re simply asking to be spammed. Posting emails has evolved ubiquitously through users online in the past few years to avoid detection or scraping. What users have done is changed the @ symbol into a variety of ways so that it is not recognized by email extractors as an email address but recognized by users as one. This is also the case with “.”.