{"id":68504,"date":"2022-06-08T11:52:37","date_gmt":"2022-06-08T11:52:37","guid":{"rendered":"https:\/\/www.cleverreach.com\/newsletter-tool\/dkim-domain-keys-identified-mail\/"},"modified":"2025-06-12T09:55:54","modified_gmt":"2025-06-12T08:55:54","slug":"dkim","status":"publish","type":"newsletter-tool","link":"https:\/\/www.cleverreach.com\/en\/newsletter-tool\/sending-newsletters\/dkim\/","title":{"rendered":"DKIM (Domain Keys Identified Mail)"},"parent":68520,"menu_order":0,"template":"","class_list":["post-68504","newsletter-tool","type-newsletter-tool","status-publish","hentry"],"meta_box":{"modal_insert":[],"script_after_tagmanager":"","cl_title":"","cl_subtitle":"","cl_lp":[],"cb_func_layouts":[{"cb_func_select_block":"cb_func_faq","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_btn":{"cb_func_ti_btn_select_url":"internal"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"img_txt","cb_func_ti_t_layout":"inside"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_btn":{"cb_func_it_btn_select_url":"internal"},"cb_func_it_bg_color":"bg-transparent"},"cb_func_faq":{"cb_func_faq_nav_title":"What is the DKIM process?","cb_func_faq_title":"What is the DKIM process?","cb_func_faq_txt":"DKIM (short for \u201eDomainKeys Identified Mail\u201c) adds a digital signature to your emails. This proves the authenticity of the sender. It verifies that an email comes directly from the stated sender and that it has not been changed or falsified. Our CleverReach customers can rely on the fact that <strong>all outgoing emails from CleverReach are automatically marked with DKIM signatures<\/strong>.","cb_func_faq_item":[{"cb_func_faq_item_title":"DKIM for newsletter dispatch via own domain","cb_func_faq_item_txt":"But what if you\u2019re sending your emails via <strong>your own domain <\/strong>or those of\u00a0 your <strong>agency's\u00a0customers<\/strong>? In that case, you can generate your own domain key and add it to the sending domain."},{"cb_func_faq_item_title":"What are the benefits of the DKIM process?","cb_func_faq_item_txt":"As a newsletter sender, you benefit from better delivery rates of your emails with DKIM. By adding the DKIM key, foreign mail servers recognize that your mail is not spam. The positive consequence: your newsletter is not sorted out by the spam filter, but delivered to the recipient as desired."}],"cb_func_faq_bg_color":"bg-white"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_np","cb_func_np":{"cb_func_np_title":"Sign your emails with CleverReach and DKIM","cb_func_np_subtitle":"Great Newsletter Delivery Rates with Domain Key"},"cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_btn":{"cb_func_ti_btn_select_url":"internal"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"img_txt","cb_func_ti_t_layout":"inside"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_btn":{"cb_func_it_btn_select_url":"internal"},"cb_func_it_bg_color":"bg-transparent"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_it","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_btn":{"cb_func_ti_btn_select_url":"internal"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"img_txt","cb_func_ti_t_layout":"inside"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_nav_title":"How does DKIM work?","cb_func_it_title":"How does DKIM work?","cb_func_it_img":["89794"],"cb_func_it_txt":"To successfully set up DKIM for your domain, it\u2019s essential to understand how it works:\r\n\r\nDKIM is based on asymmetrical encryption. The first step is to generate a digital key pair that corresponds to each other when sending emails.\r\n<ul>\r\n \t<li>The first key is the Public Key; it will be added to your DNS server and published.<\/li>\r\n \t<li>The second key is the Private Key, which is only known by the sender.<\/li>\r\n<\/ul>\r\nThe first public part of this key is placed as a TXT record in your domain of the DNS server of your provider \/ host, which serves as the sender address.\r\n\r\nThe private part of the key is used to generate an individual DKIM signature for each email.* The signature is automatically inserted in the email header.\r\n\r\nWhen sending your email, the receiving server recognizes the individual DKIM signature in the header. That\u2019s the signal to look for the public key. The receiving server checks with the Domain Name System (DNS) of your domain for the public TXT data record.\r\n\r\nIf the keys match, the mail is delivered. The receiving server then \"knows\" that the email actually comes from the stated sender and has not been changed.\r\n\r\n* For those who want to know in detail: The signature code is generated from a combination of the email content and the private key using a security algorithm.","cb_func_it_btn":{"cb_func_it_btn_select_url":"modal","cb_func_it_btn_txt":"Create your newsletter now","cb_func_it_btn_url_modal":"cr_pricing_modal_lite_default"},"cb_func_it_bg_color":"bg-white","cb_func_it_img_rb":"1"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_ti","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_nav_title":"Setting up DKIM in the domain","cb_func_ti_title":"Setting up DKIM in the domain","cb_func_ti_txt":"<div class=\"block block-white block-featurelist\">\r\n<div class=\"container\">\r\n<div class=\"row\">\r\n<div class=\"col-md-5 col-md-push-1 feature-text\">\r\n\r\nThe first step for using DKIM is to add your new domain to your account. Navigate to <strong>My Account - Settings - DKIM Domains.<\/strong>\r\n\r\nBy adding your domain, we automatically create a DNS entry for you as a TXT record, which you have to make available to your domain provider.\r\n\r\nYou can also add the selector. The selector identifies the public DKIM key details of the domain. It is a kind of prefix to the public key. It is inserted in the DKIM signature with the tag \u201es=\u201c. Very often, \"default\" is used for the selector. The txt entry of the DKIM signature email header then contains \"s=default\".\r\n\r\nYou have successfully added the DKIM key to your account? For your next step, adjust the DNS entry for the domain or have your domain provider adjust the DNS entry for you.\r\n\r\nTo get the DNS entry as TXT record for your domain, click on \"i\".\r\n\r\nIf you need any help setting up the DNS entry, please contact your domain provider\/host.\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","cb_func_ti_btn":{"cb_func_ti_btn_select_url":"modal","cb_func_ti_btn_txt":"Create your newsletter now","cb_func_ti_btn_url_modal":"cr_pricing_modal_lite_default"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_img":["89806"],"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"img_txt","cb_func_ti_t_layout":"top","cb_func_ti_img_offset":"1","cb_func_ti_img_rb":"1"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_btn":{"cb_func_it_btn_select_url":"internal"},"cb_func_it_bg_color":"bg-transparent"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_it","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_btn":{"cb_func_ti_btn_select_url":"internal"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"img_txt","cb_func_ti_t_layout":"inside"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_nav_title":"Checking the DKIM entry","cb_func_it_title":"Checking the DKIM entry","cb_func_it_img":["89782"],"cb_func_it_txt":"Have you made the DKIM entry in your domain? Now it takes one or two days until the settings become effective.\r\n\r\nTo check whether the entry has been added correctly, use our DKIM Record Check. Simply click on the <strong>Check<\/strong> button after the setup<strong>. <\/strong>The system checks in the background if everything has been set up correctly and whether the DKIM signature is working.\r\n<ul>\r\n \t<li>If the setup was not verified, please wait 24-48 hours before you try the verification again.<\/li>\r\n \t<li>If the verification was successful, the DKIM domain is active and DKIM has been set up successfully.<\/li>\r\n<\/ul>\r\nIf you no longer want to use DKIM, you can delete your domain. Please note that as soon as you remove the domain from your account, your emails are no longer signed with this domain.\r\n\r\n<strong>Please note: <\/strong>\r\n<ul>\r\n \t<li>If you need any help setting up the DNS entry, please contact your domain provider. The CleverReach support cannot assist you in this case.<\/li>\r\n \t<li>The feature is not available in our Lite plan.<\/li>\r\n<\/ul>","cb_func_it_btn":{"cb_func_it_btn_select_url":"modal","cb_func_it_btn_txt":"Create your newsletter now","cb_func_it_btn_url_modal":"cr_pricing_modal_lite_default"},"cb_func_it_bg_color":"bg-white","cb_func_it_img_rb":"1"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_ti","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_nav_title":"Higher delivery rates","cb_func_ti_title":"DKIM email authentication for higher delivery rates","cb_func_ti_txt":"DKIM - amongst <a href=\"https:\/\/www.cleverreach.com\/en-de\/newsletter-tool\/sending-newsletters\/spf-senders-policy-framework\/\">SPF<\/a> and DMARC - is one of the most important protocols for the authentication of email senders. It makes email delivery more secure.\r\n\r\nWhen checking the DKIM keys, email clients recognize whether the email actually comes from the stated sender and whether it has been manipulated. If the private and public keys match, the email usually ends up in the mailbox - and your recipient can look forward to great offers and news.\r\n\r\nIf the two keys do not match, the email client assumes that the mail has been manipulated and the mail is not delivered.\r\n\r\nDKIM is also a security measure for the sender, as they can assume that they end up on the allowlist with a DKIM signature and are listed as a reputable sender. As a result, they can enjoy high delivery rates and do not have to fear that their newsletter will be sorted out as spam or, in the worst case, that their sender address may get blocked. This would have a negative effect on your reputation as a sender.","cb_func_ti_btn":{"cb_func_ti_btn_select_url":"modal","cb_func_ti_btn_txt":"Create your newsletter now","cb_func_ti_btn_url_modal":"cr_pricing_modal_lite_default"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_img":["89828"],"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"txt_img","cb_func_ti_t_layout":"top","cb_func_ti_img_offset":"1","cb_func_ti_img_rb":"1"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_btn":{"cb_func_it_btn_select_url":"internal"},"cb_func_it_bg_color":"bg-transparent"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_ti","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_nav_title":"Setting up the DNS entry","cb_func_ti_title":"Setting up the DNS entry","cb_func_ti_txt":"What you can do in your CleverReach account:\r\n<ul>\r\n \t<li>Create DKIM key<\/li>\r\n \t<li>Generate DNS entry<\/li>\r\n<\/ul>\r\nThe DNS entry generated by CleverReach is a TXT record. This DNS record must now be added to your domain.\r\n\r\nYou can find the instructions for adding DNS entries at your respective web hosting provider. Since the steps are different for each provider, we unfortunately cannot offer you any help at this point.\r\n\r\nIt can take up to 48 hours before the DKIM signature is effective. Test the entry as described above under point 3 or use an external DKIM Record Check.","cb_func_ti_btn":{"cb_func_ti_btn_select_url":"modal","cb_func_ti_btn_txt":"Create your newsletter now","cb_func_ti_btn_url_modal":"cr_pricing_modal_lite_default"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_img":["89816"],"cb_func_ti_bg_color":"bg-white","cb_func_ti_layout":"img_txt","cb_func_ti_t_layout":"top","cb_func_ti_img_offset":"1","cb_func_ti_img_rb":"1"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_btn":{"cb_func_it_btn_select_url":"internal"},"cb_func_it_bg_color":"bg-transparent"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 white"},"cb_func_testimonials":{"cb_func_test_layout":"single","cb_func_test_single_select":"0","cb_func_test_bg_color":"full_bg_t","cb_func_test_bd_color_top":"bt--trans","cb_func_test_bd_color_bottom":"bb--trans"},"cb_func_ht":{"cb_func_ht_bg_color":"bg-transparent"},"cb_func_tarifflist":{"cb_func_tarifflist_layout":"col","cb_func_tarifflist_tariffentry":[{"cb_func_tarifflist_tariffentry_select_tariff_coupon":"tariff"}]}},{"cb_func_select_block":"cb_func_ti","cb_func_t":{"cb_func_t_btn":{"cb_func_t_btn_select_url":"internal"},"cb_func_t_layout":"col-100","cb_func_t_bg_color":"bg-transparent"},"cb_func_ti":{"cb_func_ti_nav_title":"Get started for free with CleverReach","cb_func_ti_title":"Get started for free with CleverReach","cb_func_ti_txt":"Ready to get started? Just pick the one that works best for you from our range of <a href=\"\/en-de\/plans-and-pricing\/\">price plans<\/a>. Customizable at any time and no hidden costs.\r\n<ul class=\"list-checkmark-circle-before\">\r\n \t<li>no setup fee<\/li>\r\n \t<li>multi-lingual service team<\/li>\r\n \t<li>detailed guides, helpful video tutorials, and inspiring blog posts<\/li>\r\n<\/ul>","cb_func_ti_btn":{"cb_func_ti_btn_select_url":"modal","cb_func_ti_btn_txt":"Try now for free","cb_func_ti_btn_url_modal":"cr_pricing_modal_lite_default"},"cb_func_ti_btn2":{"cb_func_ti_btn2_select_url":"internal"},"cb_func_ti_img":["68706"],"cb_func_ti_bg_color":"bg-transparent","cb_func_ti_layout":"txt_img","cb_func_ti_t_layout":"top"},"cb_func_tit":{"cb_func_tit_tab":[{"cb_func_tit_tab_btn":{"cb_func_tit_tab_btn_select_url":"internal"},"cb_func_tit_tab_layout":"img_txt"}],"cb_func_tit_bg_color":"bg-transparent"},"cb_func_it":{"cb_func_it_btn":{"cb_func_it_btn_select_url":"internal"},"cb_func_it_bg_color":"bg-transparent"},"cb_func_faq":{"cb_func_faq_bg_color":"bg-transparent"},"cb_func_cta_banner":{"cb_func_cta_banner_btn":{"cb_func_cta_banner_btn_select_url":"internal"},"cb_func_cta_banner_bg_img":"bg-image-1 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