{"id":14,"date":"2010-05-09T18:47:00","date_gmt":"2010-05-09T16:47:00","guid":{"rendered":"\/post\/2010\/05\/09\/Fighting-Spam.aspx"},"modified":"2014-02-22T21:01:20","modified_gmt":"2014-02-22T20:01:20","slug":"fighting-spam","status":"publish","type":"post","link":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/","title":{"rendered":"Fighting Spam"},"content":{"rendered":"<p>I have updated my mail server code to report some very basic diagnostics data through performance counters (I&#8217;ll come back to that in a future post). Amongst the information that&#8217;s being logged are:<\/p>\n<ul>\n<li>The total number of connections since the server was started.<\/li>\n<li>The total number of connections refused (due to server and anti-spam policies) since the server was started.<\/li>\n<\/ul>\n<p>I&#8217;ve looked at these numbers after a couple of hours of the server being online. There were about 60K connections, out of which a bit more than 75% have been refused SMTP transactions because the remote hosts\u00c2\u00a0were identified as spam senders.<\/p>\n<div style=\"text-align: center;\"><a href=\"http:\/\/www.cymbeline.ch\/wp-content\/uploads\/2010\/05\/Spam-small.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-143\" alt=\"Spam-small\" src=\"http:\/\/www.cymbeline.ch\/wp-content\/uploads\/2010\/05\/Spam-small.png\" width=\"400\" height=\"300\" srcset=\"https:\/\/cymbeline.ch\/wp-content\/uploads\/2010\/05\/Spam-small.png 400w, https:\/\/cymbeline.ch\/wp-content\/uploads\/2010\/05\/Spam-small-300x225.png 300w\" sizes=\"(max-width: 400px) 85vw, 400px\" \/><\/a><\/div>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>I have updated my mail server code to report some very basic diagnostics data through performance counters (I&#8217;ll come back to that in a future post). Amongst the information that&#8217;s being logged are: The total number of connections since the server was started. The total number of connections refused (due to server and anti-spam policies) &hellip; <a href=\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Fighting Spam&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[61],"tags":[22,24,23],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fighting Spam - Tales of a Code Monkey<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fighting Spam - Tales of a Code Monkey\" \/>\n<meta property=\"og:description\" content=\"I have updated my mail server code to report some very basic diagnostics data through performance counters (I&#8217;ll come back to that in a future post). Amongst the information that&#8217;s being logged are: The total number of connections since the server was started. The total number of connections refused (due to server and anti-spam policies) &hellip; Continue reading &quot;Fighting Spam&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/\" \/>\n<meta property=\"og:site_name\" content=\"Tales of a Code Monkey\" \/>\n<meta property=\"article:published_time\" content=\"2010-05-09T16:47:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-02-22T20:01:20+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.cymbeline.ch\/wp-content\/uploads\/2010\/05\/Spam-small.png\" \/>\n<meta name=\"author\" content=\"roger\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"roger\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/\",\"url\":\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/\",\"name\":\"Fighting Spam - Tales of a Code Monkey\",\"isPartOf\":{\"@id\":\"https:\/\/cymbeline.ch\/#website\"},\"datePublished\":\"2010-05-09T16:47:00+00:00\",\"dateModified\":\"2014-02-22T20:01:20+00:00\",\"author\":{\"@id\":\"https:\/\/cymbeline.ch\/#\/schema\/person\/cf1f3b3205f4266bf8b68a80fa6b0916\"},\"breadcrumb\":{\"@id\":\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/cymbeline.ch\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Fighting Spam\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cymbeline.ch\/#website\",\"url\":\"https:\/\/cymbeline.ch\/\",\"name\":\"Tales of a Code Monkey\",\"description\":\"... the adventures of a guy making software.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/cymbeline.ch\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/cymbeline.ch\/#\/schema\/person\/cf1f3b3205f4266bf8b68a80fa6b0916\",\"name\":\"roger\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/cymbeline.ch\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/33cc08db99ae52beb26ab6fda46e0eb7?s=96&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/33cc08db99ae52beb26ab6fda46e0eb7?s=96&r=g\",\"caption\":\"roger\"},\"sameAs\":[\"https:\/\/www.cymbeline.ch\"],\"url\":\"https:\/\/cymbeline.ch\/author\/roger\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Fighting Spam - Tales of a Code Monkey","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/","og_locale":"en_US","og_type":"article","og_title":"Fighting Spam - Tales of a Code Monkey","og_description":"I have updated my mail server code to report some very basic diagnostics data through performance counters (I&#8217;ll come back to that in a future post). Amongst the information that&#8217;s being logged are: The total number of connections since the server was started. The total number of connections refused (due to server and anti-spam policies) &hellip; Continue reading \"Fighting Spam\"","og_url":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/","og_site_name":"Tales of a Code Monkey","article_published_time":"2010-05-09T16:47:00+00:00","article_modified_time":"2014-02-22T20:01:20+00:00","og_image":[{"url":"http:\/\/www.cymbeline.ch\/wp-content\/uploads\/2010\/05\/Spam-small.png"}],"author":"roger","twitter_misc":{"Written by":"roger","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/","url":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/","name":"Fighting Spam - Tales of a Code Monkey","isPartOf":{"@id":"https:\/\/cymbeline.ch\/#website"},"datePublished":"2010-05-09T16:47:00+00:00","dateModified":"2014-02-22T20:01:20+00:00","author":{"@id":"https:\/\/cymbeline.ch\/#\/schema\/person\/cf1f3b3205f4266bf8b68a80fa6b0916"},"breadcrumb":{"@id":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/cymbeline.ch\/2010\/05\/09\/fighting-spam\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/cymbeline.ch\/"},{"@type":"ListItem","position":2,"name":"Fighting Spam"}]},{"@type":"WebSite","@id":"https:\/\/cymbeline.ch\/#website","url":"https:\/\/cymbeline.ch\/","name":"Tales of a Code Monkey","description":"... the adventures of a guy making software.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cymbeline.ch\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/cymbeline.ch\/#\/schema\/person\/cf1f3b3205f4266bf8b68a80fa6b0916","name":"roger","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/cymbeline.ch\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/33cc08db99ae52beb26ab6fda46e0eb7?s=96&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/33cc08db99ae52beb26ab6fda46e0eb7?s=96&r=g","caption":"roger"},"sameAs":["https:\/\/www.cymbeline.ch"],"url":"https:\/\/cymbeline.ch\/author\/roger\/"}]}},"_links":{"self":[{"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/posts\/14"}],"collection":[{"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/comments?post=14"}],"version-history":[{"count":3,"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/posts\/14\/revisions"}],"predecessor-version":[{"id":145,"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/posts\/14\/revisions\/145"}],"wp:attachment":[{"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/media?parent=14"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/categories?post=14"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cymbeline.ch\/wp-json\/wp\/v2\/tags?post=14"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}