https://osatoumweni.com/blog/Email authentication and keeping a website working.https://osatoumweni.com/blog/business-name-easy-part-to-fake/https://osatoumweni.com/blog/business-name-easy-part-to-fake/The FBI now tracks AI-generated fraud as its own category, and a growing share of it borrows a real company's name rather than stealing directly from one. Here is what that means for a small business and its domain.Fri, 21 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/fake-helpdesk-number-fake-email/https://osatoumweni.com/blog/fake-helpdesk-number-fake-email/A hacking group is now spoofing real IT helpdesk phone numbers to steal logins by phone. The same weakness sits in your inbox, except email already has a fix and most businesses have not turned it on.Fri, 21 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/why-a-slow-site-costs-more-than-it-looks/https://osatoumweni.com/blog/why-a-slow-site-costs-more-than-it-looks/A slow page does not show up as a complaint. It shows up as visitors who never became customers, and you never see them leave.Sat, 15 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/invoice-fraud-and-domain-impersonation/https://osatoumweni.com/blog/invoice-fraud-and-domain-impersonation/The scam does not need to break into your systems. It only needs your domain to accept a login it was never given, and DMARC is the setting that stops it.Thu, 13 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/spf-dkim-dmarc-explained-plainly/https://osatoumweni.com/blog/spf-dkim-dmarc-explained-plainly/Three records, three different jobs. Here is what each one actually does, in an order that makes sense before you look at your own domain.Thu, 13 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/what-p-equals-none-really-means/https://osatoumweni.com/blog/what-p-equals-none-really-means/A DMARC record with p=none looks like protection. It is not. Here is what that setting actually tells the world, and what changing it involves.Tue, 11 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/the-spf-ten-lookup-limit/https://osatoumweni.com/blog/the-spf-ten-lookup-limit/SPF allows ten DNS lookups per check. Most small businesses hit that limit without knowing it exists, and the failure looks nothing like a limit being hit.Mon, 10 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/what-breaks-on-a-neglected-website/https://osatoumweni.com/blog/what-breaks-on-a-neglected-website/A site that still loads is not the same as a site that still works. Here is what quietly fails first, in order.Sun, 09 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/reading-a-dmarc-report-without-software/https://osatoumweni.com/blog/reading-a-dmarc-report-without-software/The zip file your mail provider sends you every day is not for engineers. Here is what is inside it and how to read it in ten minutes.Sat, 08 Aug 2026 00:00:00 +0000https://osatoumweni.com/blog/why-invoices-land-in-spam/https://osatoumweni.com/blog/why-invoices-land-in-spam/It is almost never the wording. It is usually three DNS records that nobody set up, and the fix takes days rather than months.Mon, 27 Jul 2026 00:00:00 +0000