Arsnael commented on a change in pull request #651: URL: https://github.com/apache/james-project/pull/651#discussion_r704945916
########## File path: src/homepage/howTo/dkim.html ########## @@ -0,0 +1,178 @@ +--- +layout: howTo +--- +<!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> + +<!-- Main --> +<div id="main"> + + <!-- Introduction --> + <section id="intro" class="main special"> + <div class=""> + <div class="content align-left"> + <header class="major"> + <h1><b>What is a DKIM Record?</b></h1> + </header> + + <p> + DKIM (DomainKeys Identified Mail) is an email security standard designed to make sure messages aren’t altered in transit between the sending and recipient servers. + </p> + + <p> + It uses public-key cryptography to sign email with a private key as it leaves a sending server. + Recipient servers then use a public key published to a domain’s DNS to verify the source of the message, and that the body of the message hasn’t changed during transit. + </p> + + <p> + Once the signature is verified with the public key by the recipient server, the message passes DKIM and is considered authentic. Review comment: ```suggestion Once the signature is verified with the public key by the recipient server, the message passes the DKIM check and is considered authentic. ``` ########## File path: src/homepage/howTo/dkim.html ########## @@ -0,0 +1,178 @@ +--- +layout: howTo +--- +<!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> + +<!-- Main --> +<div id="main"> + + <!-- Introduction --> + <section id="intro" class="main special"> + <div class=""> + <div class="content align-left"> + <header class="major"> + <h1><b>What is a DKIM Record?</b></h1> + </header> + + <p> + DKIM (DomainKeys Identified Mail) is an email security standard designed to make sure messages aren’t altered in transit between the sending and recipient servers. + </p> + + <p> + It uses public-key cryptography to sign email with a private key as it leaves a sending server. + Recipient servers then use a public key published to a domain’s DNS to verify the source of the message, and that the body of the message hasn’t changed during transit. + </p> + + <p> + Once the signature is verified with the public key by the recipient server, the message passes DKIM and is considered authentic. + </p> + + <p> + The process of setting up DKIM can be split into the following steps: + </p> + + <ul> + <li>Choose a DKIM selector.</li> + <li>Generate a public-private key pair.</li> + <li>Publish the selector and public key by creating a DKIM TXT record.</li> + <li>Attach the token to each outgoing email.</li> + </ul> + + <p> + Before we begin, you might wonder what is a DKIM selector? + </p> + <p> + In short, a selector is specified as an attribute for a DKIM signature and is recorded in the DKIM-Signature header field. + A selector can be anything you want, such as a word, number, or a string of letters and numbers. + </p> + <p> + For example, if you choose <code>james3</code> for your selector, the DKIM record name would become <code>james3._domainkey</code> + </p> + + + <header class="major"> + <h1><b>Generate RSA Key Pair for DKIM</b></h1> + </header> + + <p> + You can use tools such as <code>openssl</code> or <code>ssh-keygen</code> to generate RSA keys. + </p> + <p> + Please note that 1024 bit DKIM is still the standard. If you want to feel safer with 2048-bit RSA, check with DNS provider and see what length of DKIM key is supported because they need to match. + </p> + <p>Generate a 1024 bit RSA Key:</p> + + + <pre><code>$ openssl genrsa -out private.pem 1024 +Generating RSA private key, 1024 bit long modulus (2 primes) +............................................................ + </pre></code> + + <p>Export the RSA Public Key to a File:</p> + <pre><code>$ openssl rsa -in private.pem -outform PEM -pubout -out public.pem +writing RSA key Review comment: ??? is that supposed to be the result of the command? ########## File path: src/homepage/howTo/dkim.html ########## @@ -0,0 +1,178 @@ +--- +layout: howTo +--- +<!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> + +<!-- Main --> +<div id="main"> + + <!-- Introduction --> + <section id="intro" class="main special"> + <div class=""> + <div class="content align-left"> + <header class="major"> + <h1><b>What is a DKIM Record?</b></h1> + </header> + + <p> + DKIM (DomainKeys Identified Mail) is an email security standard designed to make sure messages aren’t altered in transit between the sending and recipient servers. + </p> + + <p> + It uses public-key cryptography to sign email with a private key as it leaves a sending server. + Recipient servers then use a public key published to a domain’s DNS to verify the source of the message, and that the body of the message hasn’t changed during transit. + </p> + + <p> + Once the signature is verified with the public key by the recipient server, the message passes DKIM and is considered authentic. + </p> + + <p> + The process of setting up DKIM can be split into the following steps: + </p> + + <ul> + <li>Choose a DKIM selector.</li> + <li>Generate a public-private key pair.</li> + <li>Publish the selector and public key by creating a DKIM TXT record.</li> + <li>Attach the token to each outgoing email.</li> + </ul> + + <p> + Before we begin, you might wonder what is a DKIM selector? + </p> + <p> + In short, a selector is specified as an attribute for a DKIM signature and is recorded in the DKIM-Signature header field. + A selector can be anything you want, such as a word, number, or a string of letters and numbers. + </p> + <p> + For example, if you choose <code>james3</code> for your selector, the DKIM record name would become <code>james3._domainkey</code> + </p> + + + <header class="major"> + <h1><b>Generate RSA Key Pair for DKIM</b></h1> + </header> + + <p> + You can use tools such as <code>openssl</code> or <code>ssh-keygen</code> to generate RSA keys. + </p> + <p> + Please note that 1024 bit DKIM is still the standard. If you want to feel safer with 2048-bit RSA, check with DNS provider and see what length of DKIM key is supported because they need to match. Review comment: ```suggestion Please note that 1024 bit DKIM is still the standard. If you want to feel safer with 2048-bit RSA, check with your DNS provider and see what length of DKIM key is supported because they need to match. ``` ########## File path: src/homepage/howTo/dkim.html ########## @@ -0,0 +1,178 @@ +--- +layout: howTo +--- +<!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> + +<!-- Main --> +<div id="main"> + + <!-- Introduction --> + <section id="intro" class="main special"> + <div class=""> + <div class="content align-left"> + <header class="major"> + <h1><b>What is a DKIM Record?</b></h1> + </header> + + <p> + DKIM (DomainKeys Identified Mail) is an email security standard designed to make sure messages aren’t altered in transit between the sending and recipient servers. + </p> + + <p> + It uses public-key cryptography to sign email with a private key as it leaves a sending server. + Recipient servers then use a public key published to a domain’s DNS to verify the source of the message, and that the body of the message hasn’t changed during transit. + </p> + + <p> + Once the signature is verified with the public key by the recipient server, the message passes DKIM and is considered authentic. + </p> + + <p> + The process of setting up DKIM can be split into the following steps: + </p> + + <ul> + <li>Choose a DKIM selector.</li> + <li>Generate a public-private key pair.</li> + <li>Publish the selector and public key by creating a DKIM TXT record.</li> + <li>Attach the token to each outgoing email.</li> + </ul> + + <p> + Before we begin, you might wonder what is a DKIM selector? + </p> + <p> + In short, a selector is specified as an attribute for a DKIM signature and is recorded in the DKIM-Signature header field. + A selector can be anything you want, such as a word, number, or a string of letters and numbers. + </p> + <p> + For example, if you choose <code>james3</code> for your selector, the DKIM record name would become <code>james3._domainkey</code> + </p> + + + <header class="major"> + <h1><b>Generate RSA Key Pair for DKIM</b></h1> + </header> + + <p> + You can use tools such as <code>openssl</code> or <code>ssh-keygen</code> to generate RSA keys. + </p> + <p> + Please note that 1024 bit DKIM is still the standard. If you want to feel safer with 2048-bit RSA, check with DNS provider and see what length of DKIM key is supported because they need to match. + </p> + <p>Generate a 1024 bit RSA Key:</p> + + + <pre><code>$ openssl genrsa -out private.pem 1024 +Generating RSA private key, 1024 bit long modulus (2 primes) +............................................................ + </pre></code> + + <p>Export the RSA Public Key to a File:</p> + <pre><code>$ openssl rsa -in private.pem -outform PEM -pubout -out public.pem +writing RSA key + </pre></code> + <p>Both generated files are base64-encoded encryption keys in plain text format:</p> + + + + <pre><code> +-----BEGIN RSA PRIVATE KEY----- +MIICXQIBAAKBgQCxMwUfjQbppE2EK4T2IDuiLRvZ4opSwJwxani/5Ii5VbqMQRfo +edUMuczK5qKJuIupTnh9AhJfaAsGUSruCVlGYXq6bqfak3XGHGu4s0rAXRM6Y3us +gy8RyxfWQqtYbEZPIwkLGPbPeIh2t8s3mL9fD9+tpO5H1Kc+9MBTMm7qnQIDAQAB +AoGATyl52nSIaAyMzMUca1BPE86PKLG6FeoSXUkxlJimNBYGdu4Fnkf/U+YVhXev +mVMmoYZ68W3hg1nZwwKz6Q+oH7iBk+AJRQlDQmdNuqBS5epKQpIk77w6J+Nd2HCa +wLXnt5wtDcusIV+HvznKi/yEt+oq29BbyY2CjAUYtR57wEECQQDhs71D4M8su6hv +bBbif1V/4m62ChkSZRnD7T2rCxzqLoe3Qe6W9hwysDjYMAtq3pA7mjMYyTqrx8sJ +RWcVSaf5AkEAyPx63vEKS38QPYyiesuJqqrnTeVlnPInedEmJmI6Rz5cWISosvNz +/QjHzTqOT1fXfskbhutg1/mDarsHnH/oxQJBAJjH/cdUB4nlYehCx978iRjvYzgQ +79XW4DETiBofhKw1YSM5G1PPN1lMlr4pD6GBFStzf0E4/mFH9nXJKDVtzakCQQCG +OQ75ijHc31uCL0RnCzzB7GaSf+tPV+yDDukSYzEWWRAk0Vs0Px+r0UxVw5A8bqZs +dnPas6C2O1zHT2Yy3r0dAkBECZDJaFhADFPSex8UrUrIidJaz8NLdyDiuwXKjc/c +AmlLQXKntU4M5EIE6jz0Gf1ivw06pvTDOCDWlDxJRvf8 +-----END RSA PRIVATE KEY----- + </code></pre> + <pre><code> +-----BEGIN PUBLIC KEY----- +MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxMwUfjQbppE2EK4T2IDuiLRvZ +4opSwJwxani/5Ii5VbqMQRfoedUMuczK5qKJuIupTnh9AhJfaAsGUSruCVlGYXq6 +bqfak3XGHGu4s0rAXRM6Y3usgy8RyxfWQqtYbEZPIwkLGPbPeIh2t8s3mL9fD9+t +pO5H1Kc+9MBTMm7qnQIDAQAB +-----END PUBLIC KEY----- + </code></pre> + + <p>Beside above steps, online tools such as <a href="https://www.sparkpost.com/resources/tools/dkim-wizard/";>DKIM Wizard</a> can help you easily create a public and private key pair to be used for DomainKeys and DKIM signing. </p> + + + <header class="major"> + <h1><b>Create DKIM TXT record</b></h1> + <p>Log in your Domain Control Panel and create a TXT Record:</p> + </header> + <pre><code> +Record Type: TXT Record +Host Name: james3._domainkey +Text: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNAD[...Your Public Key...] +</code></pre> + +<h1><b>Configure DKIMSign mailet</b></h1> + +<p>Lastly, you need to add a maillet to the <code>mailletcontainer.xml</code> in the /conf file of Apache James.</p> Review comment: ```suggestion <p>Lastly, you need to add a maillet to the <code>mailetcontainer.xml</code> in the /conf file of Apache James.</p> ``` -- This is an automated message from the Apache Git Service. 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