- Emails From Microsoft Mac Outlook Issues Spf Record 2016
- Emails From Microsoft Mac Outlook Issues Spf Records
- Emails From Microsoft Mac Outlook Issues Spf Record 2017
Jan 17, 2020 This Outlook Add-in helps email administrators check the Mailsphere DNS configuration Use this Outlook Add-in to confirm your DNS configuration is following the Mailsphere best practices. As well as testing your internal domains the Add-in will also review the SPF records of external domains to help identify issues with incoming email delivery. We are an Office 365 Organisation, and we're having intermittent issues with SPF. I have O365 set up to send any emails that are found to be 'spam' sent from our organisation to me, and occasionally we get a batch of our emails flagged as spam due to no SPF record. Hi JGPV, Commonly, in a pure Office 365 environment, the SPF record should be ‘v=spf1 include:spf.protection.outlook.com –all’. However, we can customize the SPF record in Office 365 if we have other needs to exclude some IPs or domains.
Summary: This article describes how to update a Domain Name Service (DNS) record so that you can use Sender Policy Framework (SPF) with your custom domain in Office 365. Using SPF helps to validate outbound email sent from your custom domain.
In order to use a custom domain, Office 365 requires that you add a Sender Policy Framework (SPF) TXT record to your DNS record to help prevent spoofing. SPF identifies which mail servers are allowed to send mail on your behalf. Basically, SPF, along with DKIM, DMARC, and other technologies supported by Office 365, help prevent spoofing and phishing. SPF is added as a TXT record that is used by DNS to identify which mail servers can send mail on behalf of your custom domain. Recipient mail systems refer to the SPF TXT record to determine whether a message from your custom domain comes from an authorized messaging server.
For example, let's say that your custom domain contoso.com uses Office 365. You add an SPF TXT record that lists the Office 365 messaging servers as legitimate mail servers for your domain. When the receiving messaging server gets a message from joe@contoso.com, the server looks up the SPF TXT record for contoso.com and finds out whether the message is valid. If the receiving server finds out that the message comes from a server other than the Office 365 messaging servers listed in the SPF record, the receiving mail server can choose to reject the message as spam.
Also, if your custom domain does not have an SPF TXT record, some receiving servers may reject the message outright. This is because the receiving server cannot validate that the message comes from an authorized messaging server.
If you've already set up mail for Office 365, then you have already included Microsoft's messaging servers in DNS as an SPF TXT record. However, there are some cases where you may need to update your SPF TXT record in DNS. For example:
Previously, you had to add a different SPF TXT record to your custom domain if you were using SharePoint Online. This is no longer required. This change should reduce the risk of SharePoint Online notification messages ending up in the Junk Email folder. Update your SPF TXT record if you are hitting the 10 lookup limit and receiving errors that say things like, 'exceeded the lookup limit' and 'too many hops'.
If you have a hybrid environment with Office 365 and Exchange on-premises.
You intend to set up DKIM and DMARC (recommended).
Updating your SPF TXT record for Office 365
Before you update the TXT record in DNS, you need to gather some information and determine the format of the record. This will help prevent you from generating DNS errors. For advanced examples and a more detailed discussion about supported SPF syntax, see How SPF works to prevent spoofing and phishing in Office 365.
Emails From Microsoft Mac Outlook Issues Spf Record 2016
Gather this information:
The current SPF TXT record for your custom domain. For instructions, see Gather the information you need to create Office 365 DNS records.
IP addresses of all on-premises messaging servers. For example, 192.168.0.1.
Domain names to use for all third-party domains that you need to include in your SPF TXT record. Some bulk mail providers have set up subdomains to use for their customers. For example, the company MailChimp has set up servers.mcsv.net.
Determine what enforcement rule you want to use for your SPF TXT record. We recommend -all. For detailed information about other syntax options, see SPF TXT record syntax for Office 365.
To add or update your SPF TXT record
Ensure that you're familiar with the SFP syntax in the following table.
If you're using. Common for Office 365 customers? Add this. 1 Any email system (required) Common. All SPF TXT records start with this value v=spf1 2 Exchange Online Common include:spf.protection.outlook.com 3 Exchange Online dedicated only Not common ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 include:spf.protection.outlook.com 4 Office 365 Germany, Microsoft Cloud Germany only Not common include:spf.protection.outlook.de 5 Third-party email system Not common include:<domain name>
Where domain name is the domain name of the third party email system.6 On-premises mail system. For example, Exchange Online Protection plus another mail system Not common Use one of these for each additional mail system:
ip4:<IP address>
ip6:<IP address>
include:<domain name>
Where the value for <IP address> is the IP address of the other mail system and <domain name> is the domain name of the other mail system that sends mail on behalf of your domain.7 Any email system (required) Common. All SPF TXT records end with this value <enforcement rule>
This can be one of several values. We recommend that you use -all.If you haven't already done so, form your SPF TXT record by using the syntax from the table:
For example, if you are fully-hosted in Office 365, that is, you have no on-premises mail servers, your SPF TXT record would include rows 1, 2, and 7 and would look like this:
v=spf1 include:spf.protection.outlook.com -allThis is the most common Office 365 SPF TXT record. This record works for just about everyone, regardless of whether your Office 365 datacenter is located in the United States, or in Europe (including Germany), or in another location.
However, if you have purchased Office 365 Germany, part of Microsoft Cloud Germany, you should use the include statement from line 4 instead of line 2. For example, if you are fully-hosted in Office 365 Germany, that is, you have no on-premises mail servers, your SPF TXT record would include rows 1, 4, and 7 and would look like this:
v=spf1 include:spf.protection.outlook.de -allIf you're already deployed in Office 365 and have set up your SPF TXT records for your custom domain, and you're migrating to Office 365 Germany, you need to update your SPF TXT record. To do this, change include:spf.protection.outlook.com to include:spf.protection.outlook.de.
Once you have formed your SPF TXT record, you need to update the record in DNS. You can only have one SPF TXT record for a domain. If an SPF TXT record exists, instead of adding a new record, you need to update the existing record. Go to Create DNS records for Office 365, and then click the link for your DNS host.
Test your SPF TXT record.
More information about SPF
For advanced examples, a more detailed discussion about supported SPF syntax, spoofing, troubleshooting, and how Office 365 supports SPF, see How SPF works to prevent spoofing and phishing in Office 365.
Next steps: After you set up SPF for Office 365
Having trouble with your SPF TXT record? Read Troubleshooting: Best practices for SPF in Office 365.
SPF is designed to help prevent spoofing, but there are spoofing techniques that SPF cannot protect against. In order to protect against these, once you have set up SPF, you should also configure DKIM and DMARC for Office 365. To get started, see Use DKIM to validate outbound email sent from your custom domain in Office 365. Next, see Use DMARC to validate email in Office 365.
-->Check the Domains FAQ if you don't find what you're looking for.
If GoDaddy is your DNS hosting provider, follow the steps in this article to verify your domain and set up DNS records for email, Skype for Business Online, and so on.
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After you add these records at GoDaddy, your domain will be set up to work with Office 365 services.
To learn about webhosting and DNS for websites with Office 365, see Use a public website with Office 365.
Note
Typically it takes about 15 minutes for DNS changes to take effect. However, it can occasionally take longer for a change you've made to update across the Internet's DNS system. If you're having trouble with mail flow or other issues after adding DNS records, see Troubleshoot issues after changing your domain name or DNS records.
Add a TXT record for verification
Before you use your domain with Office 365, we have to make sure that you own it. Your ability to log in to your account at your domain registrar and create the DNS record proves to Office 365 that you own the domain.
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This record is used only to verify that you own your domain; it doesn't affect anything else. You can delete it later, if you like.
Follow the steps below.
To get started, go to your domains page at GoDaddy by using this link. You'll be prompted to log in.
Under Domains, select DNS under the domain that you want to edit.
Select Add.
Choose TXT (Text) from the drop-down list. In the boxes for the new record, type or copy and paste the values from the following table.
Record type Host TXT Value TTL TXT (Text) @ MS=ms XXXXXXXX
Note: This is an example. Use your specific Destination or Points to Address value here, from the table in Office 365. How do I find this?1 hour
(Select a value from the drop-down list.)Select Save.
Wait a few minutes before you continue, so that the record you just created can update across the Internet.
Now that you've added the record at your domain registrar's site, you'll go back to Office 365 and request Office 365 to look for the record.
When Office 365 finds the correct TXT record, your domain is verified.
In the admin center, go to the Settings > Domains page.
On the Domains page, select the domain that you are verifying.
On the Setup page, select Start setup.
On the Verify domain page, select Verify.
Note
Typically it takes about 15 minutes for DNS changes to take effect. However, it can occasionally take longer for a change you've made to update across the Internet's DNS system. If you're having trouble with mail flow or other issues after adding DNS records, see Troubleshoot issues after changing your domain name or DNS records.
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Add an MX record so email for your domain will come to Office 365
Follow the steps below.
To get started, go to your domains page at GoDaddy by using this link. You'll be prompted to log in.
Under Domains, select DNS under the domain that you want to edit.
Select Add.
Choose MX (Mail Exchanger) from the drop-down list.
In the boxes for the new record, type or copy and paste the values from the following table.
(Choose the TTL value from the drop-down list.)
Record type Host Points to Priority TTL MX (Mail Exchanger) @ <domain-key> .mail.protection.outlook.com
Note: Get your <domain-key> from your Office 365 account. How do I find this?10
For more information about priority, see What is MX priority?1 hour Select Save.
Add the CNAME records that are required for Office 365
Follow the steps below.
To get started, go to your domains page at GoDaddy by using this link. You'll be prompted to log in.
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Under Domains, select DNS under the domain that you want to edit.
Select Add.
Choose CNAME (Alias) from the drop-down list.
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Create the first CNAME record.
In the boxes for the new record, type or copy and paste the values from the first row of the following table.
(Choose the TTL value from the drop-down list.)
Record type Host Points to TTL CNAME (Alias) autodiscover autodiscover.outlook.com 1 hour CNAME (Alias) sip sipdir.online.lync.com 1 hour CNAME (Alias) lyncdiscover webdir.online.lync.com 1 hour CNAME (Alias) enterpriseregistration enterpriseregistration.windows.net 1 hour CNAME (Alias) enterpriseenrollment enterpriseenrollment.manage.microsoft.com 1 hour Repeat these steps to add the next CNAME record until you have created all six of the CNAME records.
Add a TXT record for SPF to help prevent email spam
Important
You cannot have more than one TXT record for SPF for a domain. If your domain has more than one SPF record, you'll get email errors, as well as delivery and spam classification issues. If you already have an SPF record for your domain, don't create a new one for Office 365. Instead, add the required Office 365 values to the current record so that you have a single SPF record that includes both sets of values.
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Follow the steps below.
To get started, go to your domains page at GoDaddy by using this link. You'll be prompted to log in.
Under Domains, select DNS under the domain that you want to edit.
Select Add.
Choose TXT (Text) from the drop-down list.
Pdf for mac free download. In the boxes for the new record, type or copy and paste the following values.
(Choose the TTL value from the drop-down lists.)
Record type Host TXT Value TTL TXT (Text) @ v=spf1 include:spf.protection.outlook.com -all
Note: We recommend copying and pasting this entry, so that all of the spacing stays correct.1 hour Select Save.
Add the two SRV records that are required for Office 365
Emails From Microsoft Mac Outlook Issues Spf Records
Follow the steps below.
R for mac. To get started, go to your domains page at GoDaddy by using this link. You'll be prompted to log in.
Under Domains, select DNS under the domain that you want to edit.
Select Add.
Choose SRV (Service) from the drop-down list.
Create the first SRV record.
In the boxes for the new record, type or copy and paste the values from the first row of the following table.
(Choose the Record type and TTL values from the drop-down lists.)
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Record type Name Target Protocol Service Priority Weight Port TTL SRV (Service) @ sipdir.online.lync.com _tls _sip 100 1 443 1 hour SRV (Service) @ sipfed.online.lync.com _tcp _sipfederationtls 100 1 5061 1 hour Repeat Step 5 to Create the other SRV record.
Select Save.
Note
Emails From Microsoft Mac Outlook Issues Spf Record 2017
Typically it takes about 15 minutes for DNS changes to take effect. However, it can occasionally take longer for a change you've made to update across the Internet's DNS system. If you're having trouble with mail flow or other issues after adding DNS records, see Troubleshoot issues after changing your domain name or DNS records.