They are usually advertising messages , sent by mass company email list either by email, SMS or through social networks or instant messaging programs. In the same way, viruses loose on the network and filtered pages (casino, raffles, prizes, trips, drugs, company email list and pornography), which are activated by entering community or group pages or by accessing links on various pages, or even without first accessing any type of advertising pages. Although company email list can be done in different ways, the most common is email . Other internet technologies that have been company email list for spam include newsgroups, the usenet, search engines, social networks, web pages, wikis, forums, blogs, via pop-ups, and all kinds of images and text on the web. Lately blogs have also become a spam destination. Here spam company email list of leaving a comment on one of the posts or entries and that in most cases has nothing to do with the exposed topic, but rather links to commercial sites or promotes a company email list product. Likewise, spam messages can also target mobile phones (via text messages) and instant messaging systems. The modalities that spammers employ for spamming are company email list, including: robots Automatic programs that scour the internet for email addresses Websites that often contain data on their creator and visitors usenet newsgroups Mailing lists or chains, etc. Addresses are often stolen, purchased, harvested on the web, or taken from email chains . Although company email list are some spammers who send only one message, there are also many who bombard each week with the same message that no one reads. Once they have a large enough list of valid email addresses, spammers use programs that iterate through the list, sending the message to company email list addresses .