v=spf1 include:_spf.qboxmail.com ~all - SERP Analysis

https://docs.qboxmail.com/en/configurations/spf-record-settings

https://www.qboxmail.com/blog/how-to-verify-and-update-your-spf-dkim-and-dmarc-records/

https://easydmarc.com/blog/spf-authentication-spf-all-vs-all/

https://support.mailchannels.com/hc/en-us/articles/200262610-Set-up-SPF-Records

https://powerdmarc.com/what-is-spf-include/

https://mailtrap.io/blog/multiple-spf-records/

https://www.mailerlite.com/help/how-to-merge-spf-records

https://serverfault.com/questions/475555/what-does-this-mean-v-spf1-include-spf-google-com-all

https://www.digitalocean.com/community/tutorials/how-to-use-an-spf-record-to-prevent-spoofing-improve-e-mail-reliability

https://www.reddit.com/r/DMARC/comments/1amna1g/my_main_spf_vspf1_includel_spfd_all_what_to/

https://autospf.com/explaining-sender-policy-framework-spf-macros/spf-record-syntax/

https://rental.software/support/knowledge-base/article/emails-setting-your-spf-record

https://www.valimail.com/resources/guides/email-security-best-practices/spf-record-syntax/

https://support.google.com/a/thread/211473661/how-and-why-do-i-set-up-spf?hl=en

https://mimecastsupport.zendesk.com/hc/en-us/articles/34000792642963-Connect-Application-Implementing-SPF-for-Outbound-Email

https://dmarcian.com/spf-syntax-table/

https://stackoverflow.com/questions/48446137/spf-record-a-all

https://www.duocircle.com/content/spf-records

https://www.mailmodo.com/guides/multiple-spf-records/

https://help.one.com/hc/en-us/articles/115005595945-Add-an-SPF-record

https://improvmx.com/guides/combining-spf-records

https://www.cloudflare.com/learning/dns/dns-records/dns-spf-record/

https://www.pinballinfo.com/community/threads/spf-record-help-please.56224/

https://support.google.com/a/thread/192933425/how-to-know-which-spf-record-is-important?hl=en

https://www.wordtothewise.com/2014/06/authenticating-spf/

https://stackoverflow.com/questions/35943474/what-should-i-put-for-my-spf-record

https://mxtoolbox.com/dmarc/spf/spf-record-tags

https://blog.mystrika.com/spf-records-with-multiple-includes/

https://support.paubox.com/kb/dns-creating-or-updating-an-spf-record

https://www.linode.com/community/questions/24439/when-do-i-use-ip-address-vs-include-vs-a-parameter-in-spf-record-for-my-postfix-

https://community.cloudflare.com/t/dns-spf-for-two-mail-servers-inc-sub-domain/506100

https://www.web.com/help/article/what-is-an-spf-record

https://community.spiceworks.com/t/correcting-a-spf-record/795069

https://dmarcly.com/blog/what-is-an-spf-record-and-how-does-it-work-spf-record-explained

https://support.valimail.com/en/articles/8466461-valimail-spf-records

https://www.thirdtier.net/2020/10/05/spf-for-sending-mail-from-intuit/

https://www.time4vps.com/knowledge-base/adding-spf-record-for-your-domain-in-our-dns-manager/

https://answers.microsoft.com/en-us/outlook_com/forum/all/gmail-and-other-email-providers-rejecting-due-to/46c8b233-e2cf-4a87-a4cb-d9af92f466d3

https://vamsoft.com/forum/topic/1023/spf-record

https://blackboard.my.site.com/Support/apex/downloadArticleasPDF?id=kaEPU0000004YT12AM

https://www.combell.com/en/help/kb/create-spf-record-to-keep-your-e-mails-out-of-the-spam-filter/

https://www.spf-record.com/spf-lookup/eulerhermes.com

https://superuser.com/questions/1788080/using-cloudflare-and-network-solutions-i-need-correct-syntax-for-dns-configurat

https://hosting.xyz/wiki/mail/security/spf/

https://dmarcadvisor.com/spf-syntax-table/

https://www.duocircle.com/content/spf-validator/spf-all

https://support.cch.com/kb/solution.aspx/What-is-the-SPF-record-that-I-should-add-to-my-DNS-for-my-email-for-CCH-Site-Builder

https://forum.proxmox.com/threads/rejected-mail-but-spf-record-seems-to-be-ok.84888/

https://spf.topicbox.com/groups/spf-help/T94922fd2c0155598-M7b903dce7b865b54f3ddeb44/help-creating-spf-record

https://myhost-clients.com/knowledgebase/196/How-can-I-add-MyHostandsharp039s-mail-servers-to-my-SPF-record.html

https://easydmarc.com/blog/how-to-optimize-spf-record/

https://www.nslookup.io/domains/_spf.mailhostbox.com/email/spf/

https://mxtoolbox.com/dmarc/spf/what-is-an-spf-record

https://support.powerdmarc.com/support/solutions/articles/60000712934-how-to-set-up-spf-for-one-com-

http://www.emaildiscussions.com/showthread.php?t=71590

https://quickbooks.intuit.com/learn-support/en-us/other-questions/what-is-the-correct-include-statement-for-the-quickbooks-intuit/00/607762

https://www.spf-record.com/spf-lookup/courrierinternational.com

https://www.quora.com/What-does-v-spf1-a-mx-include-websitewelcome-com-all-mean-in-a-domains-DNS-record

https://mailman.nanog.org/pipermail/nanog/2009-December/015879.html

https://help.runbox.com/runbox-spf/

https://support.securityscorecard.com/hc/en-us/articles/115003337866-Malformed-SPF-Record

https://community.spiceworks.com/t/using-mx-toolbox-spf-record-lookup-to-create-dns-entry/748566

https://www.mittwald.de/faq/e-mail/faq/spf-records

https://discourse.mailinabox.email/t/where-to-put-spf-records/9474

https://forum.proxmox.com/threads/mail-proxy-use-spf.110115/

https://www.mailenable.com/forum/viewtopic.php?t=43640

https://viewdns.info/dnsrecord/?domain=electribe.com

https://easywpsmtp.com/docs/fix-multiple-spf-records/

https://www.thexyz.com/account/knowledgebase/95/How-to-create-an-SPF-record.html

https://forum.squarespace.com/topic/334661-automatically-generated-spf-record-for-email-forwarding-ends-with-all-instead-of-~all/

https://tools.wordtothewise.com/spf/check/_spf1.intuit.com

https://community.ovhcloud.com/community/fr/spoofing-malgre-un-champ-spf-v-spf1-include-mx-ovh-com-all?id=community_question&sys_id=1084b984359a82d0f078b41a47e1f0b1

https://all-inkl.com/wichtig/anleitungen/kas/tools/dns-werkzeuge/spf_482.html

https://www.sophiehonerkamp.com/othersite/nanog/2009/dec/msg00209.html