{"id":39071,"date":"2025-01-14T15:04:58","date_gmt":"2025-01-14T14:04:58","guid":{"rendered":"https:\/\/www.ikarussecurity.com\/uncategorized\/exceptions-for-greylisting\/"},"modified":"2025-02-18T14:08:38","modified_gmt":"2025-02-18T13:08:38","slug":"exceptions-for-greylisting","status":"publish","type":"post","link":"https:\/\/www.ikarussecurity.com\/en\/release-notes-and-product-updates\/exceptions-for-greylisting\/","title":{"rendered":"Exceptions for Greylisting"},"content":{"rendered":"<div id='av-layout-grid-1'  class='av-layout-grid-container av-3z1pn1k-42b6976b103cbc9ac9b1937cf7f5b171 entry-content-wrapper main_color av-flex-cells  avia-builder-el-0  el_before_av_layout_row  avia-builder-el-first   container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-c9m1ig-9cd9fab0f672feaa54cd7f3f7fa18cfe\">\n.flex_cell.av-c9m1ig-9cd9fab0f672feaa54cd7f3f7fa18cfe{\nvertical-align:middle;\nheight:200px;\nmin-height:200px;\nbackground-color:#ef5737;\n}\n.responsive #top #wrap_all .flex_cell.av-c9m1ig-9cd9fab0f672feaa54cd7f3f7fa18cfe{\npadding:0px 0px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-c9m1ig-9cd9fab0f672feaa54cd7f3f7fa18cfe av-gridrow-cell av_one_half no_margin av-hide-on-mobile  avia-builder-el-1  el_before_av_cell_one_half  avia-builder-el-first  content-align-middle av-zero-padding avia-full-stretch'  ><div class='flex_cell_inner'><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2zzee94-e46768c8ea2a4d1bbacba5932f8b9a3f\">\n.flex_cell.av-2zzee94-e46768c8ea2a4d1bbacba5932f8b9a3f{\nvertical-align:top;\nheight:200px;\nmin-height:200px;\nbackground-color:#d4300f;\n}\n.responsive #top #wrap_all .flex_cell.av-2zzee94-e46768c8ea2a4d1bbacba5932f8b9a3f{\npadding:60px 30px 60px 30px !important;\n}\n<\/style>\n<div class='flex_cell av-2zzee94-e46768c8ea2a4d1bbacba5932f8b9a3f av-gridrow-cell av_one_half no_margin  avia-builder-el-2  el_after_av_cell_one_half  avia-builder-el-last  content-align-top'  ><div class='flex_cell_inner'><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157\">\n#top .av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157{\npadding-bottom:25px;\ncolor:#ffffff;\nfont-size:34px;\n}\nbody .av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 .av-special-heading-tag{\nfont-size:34px;\n}\n.av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-m6f2jgzl-9d26b1e1ae8c34fefddc50075967f157 av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-3  el_before_av_textblock  avia-builder-el-first  av-inherit-size av-linked-heading'><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >IKARUS mail.security<\/h1><div class='av_custom_color av-subheading av-subheading_below'><p>Release notes<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6f2kks3-4bd9a2aeca5aee4f483e857295356f3d\">\n#top .av_textblock_section.av-m6f2kks3-4bd9a2aeca5aee4f483e857295356f3d .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-m6f2kks3-4bd9a2aeca5aee4f483e857295356f3d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>Release date 14. January 2025<\/p>\n<\/div><\/section><\/p>\n<\/div><\/div>\n<\/div>\n<div id='av-layout-grid-2'  class='av-layout-grid-container av-2keocq0-f55ce5630a43b2b5078285f9650591d1 entry-content-wrapper main_color av-fixed-cells  avia-builder-el-5  el_after_av_layout_row  el_before_av_layout_row  grid-row-not-first  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-20qw8rs-087683574fb45f6d70c6ef5e8a7147b9\">\n.flex_cell.av-20qw8rs-087683574fb45f6d70c6ef5e8a7147b9{\nvertical-align:top;\nbackground-color:#d4300f;\n}\n.responsive #top #wrap_all .flex_cell.av-20qw8rs-087683574fb45f6d70c6ef5e8a7147b9{\npadding:9px 0px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-20qw8rs-087683574fb45f6d70c6ef5e8a7147b9 av-gridrow-cell av_one_half no_margin av-hide-on-mobile  avia-builder-el-6  el_before_av_cell_one_half  avia-builder-el-first  content-align-top'  ><div class='flex_cell_inner'><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6bikdk-1ae2aa5477a285fa8ec31a75f2a9e176\">\n.flex_cell.av-6bikdk-1ae2aa5477a285fa8ec31a75f2a9e176{\nvertical-align:top;\nbackground-color:#ef5737;\n}\n.responsive #top #wrap_all .flex_cell.av-6bikdk-1ae2aa5477a285fa8ec31a75f2a9e176{\npadding:9px 0px 0px 0px !important;\n}\n<\/style>\n<div class='flex_cell av-6bikdk-1ae2aa5477a285fa8ec31a75f2a9e176 av-gridrow-cell av_one_half no_margin  avia-builder-el-7  el_after_av_cell_one_half  avia-builder-el-last  content-align-top'  ><div class='flex_cell_inner'><\/div><\/div>\n<\/div>\n<div id='av-layout-grid-3'  class='av-layout-grid-container av-18qmnt4-994087fe5c17adf926a9b3c257749d71 entry-content-wrapper main_color av-flex-cells  avia-builder-el-8  el_after_av_layout_row  avia-builder-el-last  grid-row-not-first  container_wrap fullsize'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-olvp48-9c0f8d13c3561e7c177209ca8348f9d8\">\n.flex_cell.av-olvp48-9c0f8d13c3561e7c177209ca8348f9d8{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-olvp48-9c0f8d13c3561e7c177209ca8348f9d8{\npadding:30px 30px 30px 30px !important;\n}\n<\/style>\n<div class='flex_cell av-olvp48-9c0f8d13c3561e7c177209ca8348f9d8 av-gridrow-cell av_one_half no_margin  avia-builder-el-9  el_before_av_cell_one_half  avia-builder-el-first  content-align-top'  ><div class='flex_cell_inner'><section  class='av_textblock_section av-m6f3hvah-f4bfb8413ccb0dbb273f9c3f9123eb54 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Exceptions for greylisting<\/h3>\n<p>Greylisting is an effective method for filtering spam emails, where emails from unknown senders are temporarily rejected. Unlike spam bots, legitimate mail servers typically retry sending the email after a short delay, at which point it is accepted.<\/p>\n<p>To ensure that legitimate mail servers that do not perform retry attempts are not blocked, you can now define specific exceptions in the settings of <strong>IKARUS mail.security<\/strong>.<\/p>\n<p>Greylisting exceptions can be added based on the host name or IP address in the following format:<\/p>\n<p>mail.domain.com \/ 127.0.0.1<\/p>\n<\/div><\/section>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jw9avc-5c05ae00ed4c0b9763f39fc8807046bf\">\n.flex_cell.av-jw9avc-5c05ae00ed4c0b9763f39fc8807046bf{\nvertical-align:top;\n}\n.responsive #top #wrap_all .flex_cell.av-jw9avc-5c05ae00ed4c0b9763f39fc8807046bf{\npadding:30px 30px 30px 30px !important;\n}\n<\/style>\n<div class='flex_cell av-jw9avc-5c05ae00ed4c0b9763f39fc8807046bf av-gridrow-cell av_one_half no_margin  avia-builder-el-11  el_after_av_cell_one_half  avia-builder-el-last  content-align-top'  ><div class='flex_cell_inner'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-m6f3uj9d-dddd229e42d8e239fc1afd3484ea3c8e\">\n.avia-image-container.av-m6f3uj9d-dddd229e42d8e239fc1afd3484ea3c8e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-m6f3uj9d-dddd229e42d8e239fc1afd3484ea3c8e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-m6f3uj9d-dddd229e42d8e239fc1afd3484ea3c8e av-styling- av-img-linked avia-align-center  avia-builder-el-12  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/www.ikarussecurity.com\/wp-content\/uploads\/2025\/02\/2025-02-17-14_26_56-Window-en-1030x523.png\" class='avia_image '  aria-label='Exceptions for Greylisting'><img fetchpriority=\"high\" class='wp-image-39509 avia-img-lazy-loading-not-39509 avia_image ' src='https:\/\/www.ikarussecurity.com\/wp-content\/uploads\/2025\/02\/2025-02-17-14_26_56-Window-en.png' alt='Exceptions for Greylisting' title='Exceptions for Greylisting'  height=\"790\" width=\"1557\"  itemprop=\"thumbnailUrl\"  \/><\/a><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[179,134],"tags":[],"class_list":["post-39071","post","type-post","status-publish","format-standard","hentry","category-ikarus-mail-security-en","category-release-notes-and-product-updates"],"_links":{"self":[{"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/posts\/39071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/comments?post=39071"}],"version-history":[{"count":10,"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/posts\/39071\/revisions"}],"predecessor-version":[{"id":39516,"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/posts\/39071\/revisions\/39516"}],"wp:attachment":[{"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/media?parent=39071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/categories?post=39071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ikarussecurity.com\/en\/wp-json\/wp\/v2\/tags?post=39071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}