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When you send an email, Sophos Email applies policy settings to the email, creates a hash of the mail content, and adds a new header. Select the newly created selector and click Download to download the domain key DKIM file. Under GoDaddy's "My Products", find your domain you want to add the DKIM record to, then click the DNS button, like this: 3. At a minimum you will need: Root access to your mail server. Needed to edit the modoboa crontab and uncomment Generate DKIM keys job Learn how to enable DKIM signing for a domain on Broadcom's Messaging Gateway, ensuring secure email communication. Once you get the json file, you can open it by notepad, and find the public key: How to generate a DKIM key via cPanel? Step 1: Log into the cPanel account with email accounts where you’d like to enable DKIM. While the public key is made available in the domain’s DNS record, the private key serves to certify emails that are sent out. Microsoft takes care of the required DNS configuration for you. Type in your domain name. This feature creates DKIM and SPF records for all accounts on the server. DKIM Signer Setup On A Mail Server The DNS entry for DKIM is only Nov 21, 2019 · I just added a second domain to my account and i navigated to office 365\exchange admin center\protection\dkim and clicked my new domain (added a few days ago to office 365 and setup email on the first day). Locate your domain. pem 2048. See Mail Domains for details on this step. Go to the ‘My Profile’ section and select ‘Campaign Email Authentication Settings’. Split record. Step 2: Create the DKIM public/private keys and the policy record. To create a DKIM record, you will need to follow a few simple steps: Step 1: Generate the Private/Public Key Pair. Copy: Copy the Name and Value records that the system provides in the Suggested “DKIM” (TXT) Record section. A public key is generated which you use to create and publish a DKIM TXT record, and a private key is generated in the background. Apr 11, 2023 · Creating a DKIM Record. 0, the ability to add DKIM signing to outgoing mail is available. If you have any questions, please don't hesitate to ask. Receiving email servers can look up the public key in DNS and confirm the sending domain has the private key to sign and verify your email. Enter the following details : RSA Key Size: 2048-bit. Set DKIM key to Auto Generation. May 25, 2023 · A 2048-bit DKIM key is a powerful security measure that protects your emails from unauthorized changes and impersonation. This online wizard is fine for generating keys for testing and evaluation. Now you are on the DNS Management page, click the Add button in the Records section. DKIM records are tied to a domain, you each domain you email from will need its own record. Copy the text to create your DNS DKIM record. Jun 6, 2024 · To set up outbound DKIM signing, you need to generate a DKIM key in Sophos Email. – Add a new DNS Record. If you're thinking of using these keys in production, you should check the security notes first. The ‘private’ key will be used on your sending MTA. openssl genrsa -out dkim_private. 0. – Select type: CNAME. Select your domain, then More options, and then Configure DKIM. Make sure that the record contains the whole DKIM provides email authentication, which can be used to give the recipient server confidence an email came from a given address. A drawer will appear on the right side of the screen, listing all the currently configured DKIM keys. For more information: ht A DKIM generator is a tool that generates the encryption/decryption key pair for a domain name, which consists of a private key and a public key. Please note that we do not advise that you reduce the security of any aspect of your server, including making less secure DKIM keys. The generated data is stored in the LDAP server as part of the domain LDAP entry. When DKIM key creation is finished, the Publish CNAMEs dialog opens. First, you’ll need to come up with a name for the selector (for example, k1). Step #3: Generating and saving the signature. Email tools for generating DKIM keys, diagnosing issues, and managing email delivery. Try SocketLabs free! Our services are easy to use and meant to enhance convenience. Generate Unique Domain Key in Zoho Mail: Log in to the Control Panel from https://mailadmin. When you generate a new DKIM key in your Admin console Improves email deliverability – Emails that fail DKIM verification are more likely to be marked as spam or rejected by the recipient's email server, thereby improving the deliverability of your emails and reducing the chance of them being marked as spam. DKIM signing uses two actions to verify your messages: The first action takes place on a server sending DKIM signed emails. Sometimes, you will see k=rsa, which denotes the public key type. com as administrator or super administrator. If your email is using your company’s domain name, you may need to set up email authentication, which includes Sender Policy Framework (SPF), Domain Keys Identified Mail (DKIM), and Domain-based Message Authentication, Reporting, and Conformance (DMARC). Setting up DKIM requires generation of a public and private keypair. The second happens on a recipient server checking DKIM signatures on incoming messages. The public key is added to your domain's DNS records. " I can't find anything on this. The private key is used to sign outgoing email messages, while the public key is published in the Domain Name System (DNS). A menu will open on the rightmost side of your screen. You can manually generate the RSA key pair required for creating a DKIM record. To the right of the domain name concerned, you can see that the DKIM box is gray. Oct 13, 2022 · For DKIM canonicalization we use "c=relaxed/simple". Create a new text file with the private key. Longer keys are more secure than shorter keys. These records can be added in the Email section of the cPanel under Email Deliverability. Click the Generate New Record button. You must decide on what “selector” you wish to use. If you decide to use DKIM Core in production, though, you might want to consider the security risks. You only need to set up a private RSA key, key selector, and the domain which should be signed with. This signature allows the recipient’s mail server to verify the sender’s email address, helping to detect sender address forgery commonly used in spam. g. Select the ‘ Self-Authentication using your own domain ’ button. 1) List all of your sending domains. on Debian/Ubuntu, the command is amavisd-new, user/group is amavis:amavis. 35 DKIM public key is shown in the pop-up window on the Mail Settings page of the particular domain. Click Create New DKIM Signing Key. Step 3: After clicking the button, you will see a public and a private key generated. Jun 19, 2024 · DKIM setup: How to configure DKIM in three simple steps. 2048— If your domain provider supports 2048-bit keys, select this option. 2. Various tools for creating the RSA key pair are available online for free such as the DKIM Record Generator by EasyDMARC. . Domain Enter the domain that you will send email from. 5) Hide your private DKIM key. One option is to use the DKIM (DomainKeys Identified Mail) protoco You can use DKIM wizards to generate your DKIM public and private key pair. The only thing it says under "status" is "No DKIM keys saved for this domain. DKIM Overview. For more information about how DKIM works, see DKIM Records Explained. However if you use a different DNS server, you can probably put the entire DKIM key in one line. 6) Configure your email server. com > Mail Settings > How to configure external DNS: For Plesk Version lower than 18. com’. Generate a DKIM Core Key; Check a published DKIM Core Key; Check a DKIM Core Key Record; DKIM Core Technical Specification covers following: 1. Enter the DKIM selector under Host Name . private file from point 2. Security notes. – Enter the name and value of the DKIM key. Net. Deploy Public Key. Generating the private key. In the Email Configuration tab, select DKIM Select your domain, then More options, and then Configure DKIM. Domain name: Enter the domain you'd like to generate keys for, for example dkimcore. Install opendkim from the repositories: # sudo apt-get install opendkim opendkim-tools. Starting from Plesk Obsidian 18. After the receiving server receives the message, it extracts the subdomain and the DKIM selector from the message, uses them to fetch the public key from Jun 1, 2020 · How do I create a DKIM record? 1 – Create a list of all domains and sending services (such as marketing campaign platforms or invoice generators, also referred to as ESPs) that are authorized to send email on your behalf. Hope this article helped you resolve the “No DKIM keys enabled for this domain” prompt on Microsoft 365 Exchange Online. May 2, 2024 · By providing a mechanism to detect and prevent email spoofing, DKIM adds a layer of trust to online communications, crucial in an age where phishing attacks are rampant. MxToolbox can help you implement DKIM for your business email and improve your email delivery rates. v=spf1 indicates this is an SPF record and the SPF record version is SPF1. The "2048-bit" refers to the length of the key, which determines its strength. mail, as we discussed above). Options. In Bind DNS server, this record is split over multiple lines. Enter @ in the name field. Jan 25, 2021 · The private key is placed on the sender’s server and used to generate the appropriate DKIM headers for all outgoing client mail. Double-click your domain and go to the General tab. If you want to learn more about how to configure DKIM on Office 365, you can go through our office 365 Click New. Receiving mail servers use the public key from the domain's DKIM Sep 8, 2023 · If the keys don't exist in DNS, this dialog will tell you want to add. There are various ways to create DKIM keys, as mentioned below. To configure an Outbound DNS Authentication definition: Log on to the Mimecast Administration Console. Email for the domain is digitally signed by the sending mail server using the private key for the domain. Click on the tab below corresponding to your solution. To add or update a DKIM record: Go to Domains in your Wix account. There are a lot of DKIM wizards, however, Dynu is a good option. This setting cannot be changed as of today. However, it does not automatically provision these DNS records for existing accounts on the server. Mar 23, 2024 · Once the keys have been generated, copy the public DKIM key and add it to the DNS records. Login to your account on Constant Contact here. zoho. Then input your email sender domain in it and click “Download Configuration Json” and save the downloaded json file to your local disk. Test your DKIM setup. _domainkey; Paste the public DKIM key in the Target or Content section. Learn how to generate a private/public key pair and create a TXT record for DKIM in your DNS settings. Fix. Access to update the dns records for your domain. For the private key, ensure that the email server supports DKIM. So the name of our TXT record becomes: ‘dkim. Mail. You can provide these records to the nameserver provider for the listed nameservers to fix it. Click OK. Navigate to Gateway | Policies. Key Length: 2048. This opens a dialog with your domain public key. See Plans & Pricing. Aug 15, 2022 · The private/public key pair behind DKIM. Obtaining DKIM Public Key in Kerio Connect. 7) Test your DKIM setup. ) signs the message with the private key that is stored in the respective system. To confirm the authenticity of an email, the sender (mail server, newsletter system, etc. If you need a hand, follow these instructions as you navigate the tool. Aug 27, 2020 · Experience SocketLabs' Ultimate DKIM Generator: Ensure email security, prevent spoofing, and boost deliverability effortlessly. DKIM is compatible with existing email infrastructure and works with SPF and DMARC to create multiple layers of security for domains sending emails. Select TXT for the type, and the name will follow this format: Selector-name. The key pair will be automatically generated and the public key exported for publication on a DNS server. To accomplish this verification a public/private pair of encryption keys is used. _domainkey (depends on the information in the dialog box, the syntax is [selector]. It uses public-key cryptography to sign an email with a private key. A DKIM record stores the DKIM public key — a randomized string of characters that is used to verify anything signed with the private key. Enable DKIM signing (through notes. on FreeBSD, the command is amavisd, user/group is vscan:vscan. Sep 5, 2023 · SPF and DKIM Records: Combating Spam. cPanel allows users to add SPF and Domain Keys ( DKIM) records to domains for which they have DNS authority. Generate a DKIM Core Key. This wizard will allow you to easily create a public and private key pair to be used for DomainKeys and DKIM signing. Once the keys are in DNS, the slider will turn it on and the only option will be to rotate them - since yours turned on, it looks like the keys are in DNS. Current behavior. Provide a custom DKIM Selector Prefix if needed. Validate the selector and Enable DKIM in Zoho Mail. By default, cPanel generates 2048-bit DKIM keys, which are more secure than 1024-bit keys. RSA is the default key type in a DKIM record. Using an organization’s email server if it has a native DKIM generator. The most notable use of public/private key pairs in email is with S/MIME or PGP for encrypting an email itself. View: Modify the Value field’s displayed record: Mar 17, 2016 · 2, UPDATE YOUR DNS RECORD WITH THE DKIM KEY Go to your DNS records portal/administration to amend your domain DNS records and add a TXT record under your domain copying the text details as appearing under the TXT RECORD: i, Create a TXT record against your domain in DNS with the following entry: key: dkim. DomainKeys Identified Mail ( DKIM) is an email security standard designed to make sure that an email that claims to have come from a specific domain was indeed authorized by the owner of that domain. example. com domain, so you don't need to copy the values. DomainKeys Identified Mail (DKIM) adds public key cryptography to the Simple Mail Transfer Protocol (SMTP). Dec 29, 2021 · Microsoft recommends that you enable DKIM for enhanced email security for your domains registered on their portal. Select Email keys then click on the Create New Key. Copy the value ( v=DKIM1; k=rsa; p=) from Public Key field and paste it to the “Text” text box and input s1024. on RHEL/CentOS, the command is amavisd, user/group is amavis:amavis. First, enter the email domain name you wish to protect. Log into Plesk. DKIM is a method for verifying that an email is indeed being sent from the domain it claims to be from. This file contains your DomainKeys and DKIM key pair. Generating DKIM keys. Jun 13, 2024 · Generate Local DKIM Key: Generate a DKIM record, if one does not exist. May 17, 2022 · Creating a DKIM Key. The ‘Record’ part starts with assigning the version of the DKIM protocol as ‘v=DKIM1’, which is followed by the ‘k’ for the key type. Step 3: On the Email Authentication page, you’ll see two Generating a DKIM key for your domain. May 24, 2023 · There are also multiple online tools that can help generate the public/private key pair; one of the easiest is DKIM Core Tools. Select Create New DKIM Screening Key. _domainkey) in Record Name. The DKIM record generator helps you create a DKIM DNS record with a key length of 1024, 2048, or 4096 bits to protect your domain from email scams and phishing. Selector: gcloud. The creation of a public and private key combination is the first stage. Outside of email anyone who browses the web has Apr 22, 2024 · Guided Practice (We-do): To add a DKIM key in Salesforce perform the steps below: Click Setup. In the domain details flyout that opens, select Create DKIM keys. Under Administration, select Account Management, and then Domains. The sending mail server uses it to prove that it's authorised to send for the domain. To start, use openssl to generate a new RSA private key. Click the option labeled Configure DKIM. Enter this in along with the domain Enter the domain you'd like to generate keys for, for example dkimcore. Select Close. _domainkey’ behind the selector. See also: SPF and DKIM alignment fails Unable to Activate the DKIM keys in Salesforce Salesforce Support YouTube video: Jan 26, 2021 · The situation is different, however, if you use Microsoft 365. Choose a selector name that describes the type of email you are sending, such as marketing or Use the DKIM (DomainKeys Identified Mail) key feature to let Salesforce sign outbound email sent on your company’s behalf. DKIM explained. The new selector appears. com) and your selector in the second box (e. Rspamd always uses relaxed/relaxed encoding with the rsa-sha256 signature algorithm, which is deemed to be the most suitable option for all cases. In this case, it is up to the customer to generate and store the DKIM keys. TXT records can be used to store any text that a domain Before an email message leaves the sending server, the server uses the private key to generate a signature and insert it into the message along with the DKIM selector used for the signature. A longer key provides more security. If you're just getting started, you may rely on our DKIM record generator to get your email authentication system off to the correct start. private / etc / postfix / dkim. Select Manage DNS Records . DKIM keys not generated. and Wikipedia has a good entry on the subject. I. com. Jul 18, 2020 · The best way to create a DKIM keypair is to use the openssl utility. Manage. Expected behavior. Upon successful signing, Rspamd adds a unique element, the DKIM-Signature, to the output. example. key sudo chmod 660 May 25, 2024 · If you use a different online generator you should obfuscate those values. Copy article link Updated March 28, 2023. In the administration interface, go to the section Configuration > Domains. DKIM in Microsoft 365 is an email authentication method that uses a public key infrastructure (PKI), message headers and CNAME records in DNS to authenticate the message sender, which is stamped in the DKIM-Signature header field. openDKIM should automatically generate DKIM key for the domain. Using the free DKIM generator. In the Generate new record box, select your DKIM key settings: Setting. Starting with Zimbra 8. on OpenBSD, the command is amavisd, user Here, you can configure all in a comfortable way at the section Mail Security > SMTP > Advanced > DomainKeys Identified Mail (DKIM). org and hit the button. The public key is placed by the domain owner in his DNS zone file in the form of a special TXT record, and it becomes available to everyone. It uses public-key cryptography to sign an email with a private key as it is sent out from the sender server. Feb 22, 2019 · Saying that, your DKIM private key is configured on the sending mail server. Publish the public key 3. MailMessage and System. Email. DKIM record generator. Setting up signing consists of two steps: Running zmdkimkeyutil to generate the DKIM keys and selector. Jun 5, 2014 · To make it easier, try use more native tools instead: DKIM Core Tools. In your DNS management interface, create a new TXT record like below. Dec 5, 2022 · Step 1: Create an SPF Record in DNS. Step #2: Placing the public key as a TXT record in the DNS settings. Sep 25, 2023 · Generate DKIM keys manually. Dec 23, 2023 · DomainKeys Identified Mail (DKIM) is a standard that enhances email security by enabling the signing of email messages. The private key should be kept secure and private at all times. Key Selector Enter the key selector for your public key. 4) Publish your public DKIM key. Finally, go to the Associated domains tab. It also provides all the information to be inserted into your domain's DNS entry. onmicrosoft. While unsupported, generating a 1024-bit DKIM key in cPanel is possible. Create the record entry. With a 2048-bit DKIM key, you have a robust defense against tampering and forgery attempts. Contact them and request DKIM to be configured and that you need a copy of the public key. This command will generate two files: “dkim. Select the Text (TXT) record type and click the “Create Record…” button. Once the receiver determines that an email is signed with a valid DKIM signature, it can be confirmed that the email's Jul 26, 2023 · Learn how to generate a DKIM key for Salesforce in this step-by-step tutorial. Click the OK button. ” Next, deploy the private key to Postfix by running the following commands: sudo mv dkim. When an outbound message is The steps to configure DKIM signing are: Create DKIM signing keys in the credential store. Setup new domain with DKIM enabled. The key pair will be used for both DomainKeys and DKIM signing. DKIM in Salesforce is a method that ensures outgoing emails from Salesforce are Set up SPF, DKIM, or DMARC records for my hosting email. Recipient servers can then use a public key published to a domain's DNS to Feb 20, 2024 · 2. Aug 18, 2021 · I assume you are having problems adding the DKIM key. Step 2: Scroll down to Email and click on Authentication. Repeat it for the second DKIM record (just change the 1 into 2) Enable DKIM. Using an open-source project that helps generate the DKIM keys Here are some search tips. DKIM: Private RSA key: Open the . SPF and DKIM are tools used by many mail servers in an effort to combat spam. You can implement several layers of security when delivering emails to your recipients. DKIM helps prevent forged sender email addresses (also known as spoofing) by verifying that the domain in the From address matches the domain in the DKIM-Signature Dec 7, 2021 · We will need to create the two CNAME records. A selector is used to locate the public key Domain Keys Identified Mail, or DKIM, is a standard that prevents email senders and recipients from spam, spoofing, and phishing. 2) Install a DKIM package. DKIM provides a mechanism for verifying the integrity of a message. Generate new DKIM key (key length 1024) for new domain, and set correct file owner and permission. _domainkey. DKIM Manager. Oct 12, 2023 · In order for DKIM to work, the sending email server must generate a cryptographic key pair, which consists of a private key and a public key. In my case, I used it on an Ubuntu machine. By removing the quotes (“) and newline’s. 1 and copy/paste the content into this field. Note: For Google Workspace business emails, generate a DKIM record at this link. Enter a name in the New selector field. Create the selector and associated key pair 2. You'll see a hostname and value listed. In the Selected domain menu, select the domain where you want to set up DKIM. To generate DKIM keys for your domain, utilize the in-built rspamadm dkim_keygen utility: Nov 16, 2020 · There is a fundamental problem with trying to do DKIM signatures with System. Setting up your DKIM record is a simple process you can complete in seconds. Mar 28, 2023 · DKIM: A practical guide. Step 1: Enter in your domain info. The DKIM record is a TXT record that stores the DKIM public key. The software will use this key to sign each email it sends. DKIM, or DomainKeys Identified Mail, is an email authentication method that uses a digital signature to let the receiver of an email know that the message was sent and authorized by the owner of a domain. Most email service providers allow you to generate DKIM keys, so you don't have to rely on third-party tools. Here are the two command lines which you can use to generate a 2048 bit password To show the receiving server which DNS record concerns DKIM, you add ‘. Scroll to the TXT (Text) section and click + Add Record. In the BIND record you will need to replace 'xxx' with your desired selector. Go to the Mail Domains page and add your domain name. If this is your first time configuring DKIM, no keys will be listed. Select ‘My Account’ from the upper-right corner of your page. Learn how to use DKIM to authenticate and secure your email messages and avoid spoofing and phishing scams. -- Diane Give back to the community. You can change it or leave it as is. Your Thunderbird client doesn't need it as it signs in with credentials. If you’re already using a DKIM key for your domain, it could be with Google Workspace or with another email system. The key we are generating here is a 2048-bit RSA key. Click the button below to generate a new DKIIM private key and public DNS TXT record in BIND format. Follow this guide to set up a sender on Message Center. 35 it's possible to use a manual approach: For Linux. From your OVHcloud Control Panel, in the Web Cloud tab, click Microsoft, then Exchange. The ‘public’ key will be used in your public-facing DNS TXT record along with what’s called a policy record. This form of email authentication allows an organization to add digital Signature to the emails that can be validated by the recipient to check if the email belongs to the legitimate Sender. ini) on the server. We recommend you use a new selector prefix that hasn’t been previously used. 3) Create the public & private DKIM key pair. Escape records. 2 – Generate the key pairs. So it would become: Jun 13, 2024 · The system automatically provisions DKIM (DomainKeys Identified Mail) and SPF (Sender Policy Framework) records for all new accounts. These signatures give recipient DKIM keys have a label called the selector prefix, which uniquely identifies the DKIM key. Click the Show public key button. The form will appear asking you to specify a selector. Enter the selector name. Email servers query the domain's DNS records to see the DKIM record and view the public key. private” and “dkim. Signing is done at the domain level, including alias domains. DKIM key bit length. Depending on your DNS hosting provider we will now need to wait a couple of minutes or maybe even a day. The entire process is made possible by a private/public key pair. Create a DNS TXT record that contains the key and add it to your DNS domain settings. So, header canonicalization is relaxed and body is simple. Oct 24, 2019 · Learn how to setup DKIM (DomainKeys Identified Mail) key feature to let Salesforce sign outbound email sent on your company’s behalf. Follow the steps below to create a DKIM key for your domain: Make a request to the POST Generate DKIM keys endpoint. It may take a few minutes to create DKIM keys and fully propagate the new domain record back to the Mail Domains screen. Generate a new DKIM Key-pair. Key size: Generate * we do not store or log any information you fill in on this website Sep 1, 2023 · Step 1: Determine which domains are allowed to send outbound mail on its behalf. It's made for folks of all skill levels, devices of all shapes, and projects of all sizes. For the steps in creating DKIM keys in Salesforce, see Create a DKIM Key. Choose the size of the key (bigger is more secure, although bigger is also slightly slower) and click create keys. Alternate Selector: gclouds. txt. DKIM operates through a key pair system, where a private key is held by the email server and a corresponding public key is published in the DKIM signing domain's DNS records. Enter your domain name in the first box (e. Step #1: Setting up configuration of DKIM to generate the key pair. DKIM key management. 05. You can't create the CNAME records for the *. The message is signed before sending by encrypting a hash of its headers using public key encryption and then verified upon receipt by decrypting the signature using a public key (provided by the sender in a DNS record) and comparing the hash. Click on the name of the Exchange service concerned. Select Create. You will need to use the DKIM generator for every domain in use. In the Quick Find box, type DKIM Keys. The private key is kept secret and becomes part of your mail server's configuration. SmtpClient which is that in order to sign the message, you need to poke the internals of SmtpClient in order to hash the message body as one of the steps in generating the DKIM-Signature header. Generate DKIM records for your domain in seconds with this free tool. Go to Domains > example. Specify the key (s) to use for DKIM signing (through notes. When an email message is signed with DKIM, the signature is added as a header to Register the Domain Name with the Mail Delivery Service. A value will be generated for the selector, which is used to locate the public key in your DNS. Click the More Actions icon next to the relevant domain. Explanation: TXT indicates this is a TXT record. A DKIM record is really a DNS TXT ("text") record. Now you will see a form where you can enter the settings for your DKIM record, as shown Nov 4, 2021 · DKIM uses encryption to enable server identity verification. With DKIM implemented, the sending email server adds a cryptographic signature to your emails' headers. So although it may be tempting to create a stronger key Jun 20, 2022 · The p= prefix is used to specify the DKIM public key in the base-64 format. Go to Domains from the left menu, and choose the domain for which you want to configure DKIM. Click the confirmation link provided in the email body to verify you are the owner of the configured email address. How DKIM works Signing process: Emails are signed with a private key on the sender’s server, corresponding to a public Dec 25, 2023 · To generate the private key and the DNS record entry, run the following command: sudo opendkim-genkey -t -s dkim -d example. Select Configure with auto-generated keys to enable DKIM. Follow these steps to generate DKIM keys using Dynu's site: Enter the domain name. TXT @ v=spf1 mx ~all. Feb 1, 2024 · This definition allows you to select the appropriate internal domain and generate the public DKIM key for outbound mail. Please note that the DKIM specification only requires DKIM validators to support RSA keys up to 2048 bit. Oct 18, 2022 · Configure your email server. ey oe ts qk rv pt ra oh sr xa