{"id":456,"date":"2009-05-15T14:21:20","date_gmt":"2009-05-15T14:21:20","guid":{"rendered":"https:\/\/www.siteground.com\/blog\/?p=456"},"modified":"2023-10-24T06:46:41","modified_gmt":"2023-10-24T06:46:41","slug":"spam-who-said-spam","status":"publish","type":"post","link":"https:\/\/www.siteground.com\/blog\/spam-who-said-spam\/","title":{"rendered":"SPAM? Who said SPAM?"},"content":{"rendered":"<p>You do know what spam is, right? Well, if you don\u2019t \u2013 open your email.&nbsp;I am sure you will find out a dozen emails there, that you did not&nbsp;request to receive and don\u2019t have ANY idea who their sender is. They&nbsp;are annoying, irritating and can drive you crazy with their high&nbsp;volume \u2013 that is SPAM.<\/p>\n<p>So, how do you fight SPAM? Well, there isn\u2019t any universal method that&nbsp;can get rid of ALL the Spam you receive. However, there are some&nbsp;things you can do. And certainly, there are some things your email&nbsp;provider can do to prevent SPAM emails being received by YOU, the End&nbsp;User.<\/p>\n<p>SiteGround as a web hosting provider aims to prevent most of the SPAM emails which are sent to&nbsp;or by our servers to reach their destination. At first, we do the&nbsp;common and obvious things:<\/p>\n<ul>\n<li>We check the sender\u2019s domain name and IP address versus several&nbsp;large RBL (Real-Time Blackhole List) lists. If we find out any of them&nbsp;is listed in any of the lists, we discard the email message.<\/li>\n<li>We check if the message contains a valid \u2018HELO\u2019 request. By RFC (Request For Comments)&nbsp;definition, each email client should start the email communication&nbsp;with a \u2018HELO\u2019 request. If no such are present, we ban them.<\/li>\n<li>We check in an internal database if the IP address of the sender or&nbsp;the domain name of the email has tried to send too many emails for a&nbsp;short period of time. If it has, we discard the emails and send a&nbsp;warning message to the customer.<\/li>\n<li>We screen each message and the sender&#8217;s address and identify it as spam.<\/li>\n<\/ul>\n<p>So, let\u2019s assume the email passes our phase-one checks. Then, it is&nbsp;relayed to the Spam Assasin (http:\/\/spamassassin.apache.org\/) daemon&nbsp;which gives a SPAM score to each email. Emails with score lower than 7&nbsp;are directly delivered to the customers\u2019 mailbox. Emails with score&nbsp;higher than 7 might be flagged for a manual or automatic review by our&nbsp;internal in-house built systems or might be discarded.<\/p>\n<p>If the email passes the Spam Assasin score system, it\u2019s checked for<span>&nbsp;<\/span>bad attachments (for example .dll or .pif files \u2013 which may and will&nbsp;harm your computer) and is discarded if such are found.<\/p>\n<p>We further check if the user trying to send emails to any of our<span>&nbsp;<\/span>servers is brute forcing email addresses and if we catch him to do&nbsp;that, we automatically discard the email. The same applies to a user&nbsp;trying to identify to the server with too many usernames and passwords&nbsp;for a certain period of time.<\/p>\n<p>The latest addition to our Anti SPAM filters is an ACL (Access Control<span>&nbsp;<\/span>List) filter which denies sending emails from a spoofed domain name.&nbsp;This means that if you, for example, host the domain name&nbsp;<span>\u201c<\/span>yourdomainname.com\u201d with us and \u201cyourdomainname2.com\u201d with another&nbsp;hosting company, you would not be able to send emails from the&nbsp;<span>\u201c<\/span>yourdomainname2.com\u201d domain from any of the SiteGround servers.<\/p>\n<p>With all that said you should already know that SiteGround has<span>&nbsp;<\/span>invested a lot of time and effort to build automatic systems to&nbsp;prevent SPAM. And we&#8217;ll keep doing more and more. Fighting spam is a continuous process and we make sure we stay ahead!<\/p>\n\n\n<p>[subscribe_cta]<\/p>\n","protected":false},"excerpt":{"rendered":"You do know what spam is, right? Well, if you don\u2019t \u2013 open your email.&nbsp;I am sure you will find out a dozen emails there, that you did not&nbsp;request to receive and don\u2019t have ANY idea who their sender is. They&nbsp;are annoying, irritating and can drive you crazy with their high&nbsp;volume \u2013 that is SPAM.&hellip;","protected":false},"author":53,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2018],"tags":[],"class_list":["post-456","post","type-post","status-publish","format-standard","hentry","category-product-updates"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SPAM? 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