{"id":855,"date":"2022-01-11T06:39:15","date_gmt":"2022-01-11T05:39:15","guid":{"rendered":"https:\/\/itc-lucke.com\/service\/website-e-mail-hardening\/"},"modified":"2022-01-23T21:13:05","modified_gmt":"2022-01-23T20:13:05","slug":"website-e-mail-hardening","status":"publish","type":"page","link":"https:\/\/itc-lucke.com\/en\/service\/website-e-mail-hardening\/","title":{"rendered":"Website\/ E-Mail Hardening"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ky93oswx-89bdbaa6e55ed708cc2900260b5a6977\">\n#top .av-special-heading.av-ky93oswx-89bdbaa6e55ed708cc2900260b5a6977{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-ky93oswx-89bdbaa6e55ed708cc2900260b5a6977 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-ky93oswx-89bdbaa6e55ed708cc2900260b5a6977 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-ky93oswx-89bdbaa6e55ed708cc2900260b5a6977 av-special-heading-h2  avia-builder-el-0  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Website and E-Mail Server hardening<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-kyd10xx2-68469941f4ef9cf9bb727cbb0245fd0d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><blockquote>\n<p>How secure is your website?<br \/>\nHow secure is your email server?<\/p>\n<\/blockquote>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kyd1l9l8-b569d87c19960ea41dac76c843d56f6b\">\n#top .av-special-heading.av-kyd1l9l8-b569d87c19960ea41dac76c843d56f6b{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-kyd1l9l8-b569d87c19960ea41dac76c843d56f6b .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kyd1l9l8-b569d87c19960ea41dac76c843d56f6b .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kyd1l9l8-b569d87c19960ea41dac76c843d56f6b av-special-heading-h3  avia-builder-el-2  el_after_av_textblock  el_before_av_textblock '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Webserver\/ Website<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-ky945nru-e3e4a84d67a5ecf16b27ec33556ccb6d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Website runs, e-mail usually arrives. For most users, this is enough and no further security or protection is thought of.<\/p>\n<p><strong>This is a big mistake!<\/strong><\/p>\n<p>Certificates have become widely accepted, and browsers issue warnings if a website does not load over an encrypted connection. After using certificates, further measures are used, for example the security headers, which prevent foreign JavaScript code from being executed on your website, or iFrames from displaying content from other pages and thus trying to harvest\/manipulate data.<\/p>\n<p>First you can check your website at <a href=\"https:\/\/www.ssllabs.com\/ssltest\/\" target=\"_blank\" rel=\"noopener\">SSLlabs.com<\/a>.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ky94p25d-5f621fd7d3cde69d60fc63b29b158baf\">\n#top .avia-gallery.av-ky94p25d-5f621fd7d3cde69d60fc63b29b158baf .avia-gallery-thumb a{\nwidth:25%;\n}\n<\/style>\n<div  class='avia-gallery av-ky94p25d-5f621fd7d3cde69d60fc63b29b158baf avia_animate_when_visible  avia-builder-el-4  el_after_av_textblock  el_before_av_textblock  avia_lazyload avia-gallery-animate avia-gallery-1'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><meta itemprop=\"contentURL\" content=\"https:\/\/itc-lucke.com\/en\/service\/website-e-mail-hardening\/\"><div class='avia-gallery-thumb'><a href=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-1030x758.png\" data-srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-1030x758.png 1030w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-300x221.png 300w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-768x565.png 768w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-705x519.png 705w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149.png 1303w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" data-rel='gallery-1' data-prev-img='https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-495x400.png' class='first_thumb lightbox ' data-onclick='1' title=''  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-881 avia-img-lazy-loading-not-881\"   src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-495x400.png\" width=\"495\" height=\"400\"  title='Bild_2022-01-13_143149' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-845x684.png 845w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-881 avia-img-lazy-loading-881\"  width=\"495\" height=\"400\" src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-495x400.png\" title='Bild_2022-01-13_143149' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_143149-845x684.png 845w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/div><\/a><a href=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-1030x722.png\" data-srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-1030x722.png 1030w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-300x210.png 300w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-768x538.png 768w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-705x494.png 705w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus.png 1374w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" data-rel='gallery-1' data-prev-img='https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-495x400.png' class='lightbox ' data-onclick='2' title=''  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-827 avia-img-lazy-loading-not-827\"   src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-495x400.png\" width=\"495\" height=\"400\"  title='qualys SSL Labs aplus' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-845x684.png 845w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-827 avia-img-lazy-loading-827\"  width=\"495\" height=\"400\" src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-495x400.png\" title='qualys SSL Labs aplus' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-aplus-845x684.png 845w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/div><\/a><a href=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-1030x878.png\" data-srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-1030x878.png 1030w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-300x256.png 300w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-768x655.png 768w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-705x601.png 705w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking.png 1383w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" data-rel='gallery-1' data-prev-img='https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-495x400.png' class='lightbox ' data-onclick='3' title=''  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-833 avia-img-lazy-loading-not-833\"   src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-495x400.png\" width=\"495\" height=\"400\"  title='qualys SSL Labs ranking' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-845x684.png 845w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-833 avia-img-lazy-loading-833\"  width=\"495\" height=\"400\" src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-495x400.png\" title='qualys SSL Labs ranking' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/qualys-SSL-Labs-ranking-845x684.png 845w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/div><\/a><a href=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-1030x548.png\" data-srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-1030x548.png 1030w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-300x160.png 300w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-768x408.png 768w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-1536x817.png 1536w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-1500x798.png 1500w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-705x375.png 705w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333.png 1557w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" data-rel='gallery-1' data-prev-img='https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-495x400.png' class='lightbox ' data-onclick='4' title=''  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-874 avia-img-lazy-loading-not-874\"   src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-495x400.png\" width=\"495\" height=\"400\"  title='Bild_2022-01-13_142333' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-845x684.png 845w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-874 avia-img-lazy-loading-874\"  width=\"495\" height=\"400\" src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-495x400.png\" title='Bild_2022-01-13_142333' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/Bild_2022-01-13_142333-845x684.png 845w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/div><\/a><\/div><\/div>\n<section  class='av_textblock_section av-ky94x428-1d34492a24e0e4327c619063d9c88993 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>If your <a href=\"https:\/\/www.ssllabs.com\/ssltest\/analyze.html?d=itc-lucke.com\" target=\"_blank\" rel=\"noopener\">test result also has an A+ rating<\/a>, you've done everything right.<\/p>\n<p><strong>In cases of B or less, an analysis of the actual state is a good idea:<\/strong><br \/>\nWhat hosting is used, what CMS do you use, etc. Based on this information, <strong>we can help you<\/strong> ensure that your website also gets the best rankings on the web in terms of security. You can concentrate on your content and your website visitors are as safe as the state of the art allows.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kyd1k1et-2b7ef4e13cf7b035fc34bd749861c240\">\n#top .av-special-heading.av-kyd1k1et-2b7ef4e13cf7b035fc34bd749861c240{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-kyd1k1et-2b7ef4e13cf7b035fc34bd749861c240 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kyd1k1et-2b7ef4e13cf7b035fc34bd749861c240 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kyd1k1et-2b7ef4e13cf7b035fc34bd749861c240 av-special-heading-h3  avia-builder-el-6  el_after_av_textblock  el_before_av_textblock '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >E-Mail Server<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<section  class='av_textblock_section av-kyd1fqgb-20818e0e5385fb4d8e5d0af4f1bb82cc '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>There are many different ways to send and receive e-mail. Starting from the private e-mail address, which is included in the DSL hosting, over special offers at hosters like IONOS up to the own mail server.<\/p>\n<p><strong>Why set up your own mail server?<\/strong><\/p>\n<p>Today, e-mail communication is indispensable: <strong>But is your e-mail transmitted securely?<\/strong><\/p>\n<p>There are various methods for transmitting e-mail messages:<br \/>\nEmail servers communicate with each other, in the best case, over an encrypted connection. With your own hosted solution, you determine which protocols your own server accepts, whether it allows unencrypted and insecure communication, or reports it as undeliverable.<\/p>\n<p>Spam filters can be set very finely and precisely, specifically according to your specifications and needs. If your mail server is running under your brand domain, it will be verified and prepared for the best possible communication. TSLA, DANE and DNSSEC are no foreign words for us and a gain for you in terms of security.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kyd1j8rm-0c8570c6119e668ce18e70b3a0fefbc5\">\n#top .avia-gallery.av-kyd1j8rm-0c8570c6119e668ce18e70b3a0fefbc5 .avia-gallery-thumb a{\nwidth:20%;\n}\n<\/style>\n<div  class='avia-gallery av-kyd1j8rm-0c8570c6119e668ce18e70b3a0fefbc5 avia_animate_when_visible  avia-builder-el-8  el_after_av_textblock  avia-builder-el-last  avia_lazyload avia-gallery-animate avia-gallery-2'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><meta itemprop=\"contentURL\" content=\"https:\/\/itc-lucke.com\/en\/service\/website-e-mail-hardening\/\"><div class='avia-gallery-thumb'><a href=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-1030x691.png\" data-srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-1030x691.png 1030w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-300x201.png 300w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-768x515.png 768w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-705x473.png 705w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1.png 1478w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" data-rel='gallery-2' data-prev-img='https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-495x400.png' class='first_thumb lightbox ' data-onclick='1' title='e-mail1'  itemprop=\"thumbnailUrl\"  ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-897 avia-img-lazy-loading-not-897\"   src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-495x400.png\" width=\"495\" height=\"400\"  title='e-mail1' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-845x684.png 845w\" sizes=\"(max-width: 495px) 100vw, 495px\" \/><div class='big-prev-fake'><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-897 avia-img-lazy-loading-897\"  width=\"495\" height=\"400\" src=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-495x400.png\" title='e-mail1' alt='' srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-495x400.png 495w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail1-845x684.png 845w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/div><\/a><a href=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail2-1030x744.png\" data-srcset=\"https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail2-1030x744.png 1030w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail2-300x217.png 300w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail2-768x555.png 768w, https:\/\/itc-lucke.com\/wp-content\/uploads\/2022\/01\/e-mail2-705x509.png 705w, 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