Is This a Phishing Scam Using a Legitimate Odoo Tenant?
I received a strange job invitation claiming to be from Bolt and investigated whether it was phishing. The message came from [email protected], and SPF, DKIM, and DMARC all…
SPF DKIM DMARC
Does a Legitimate Odoo Sender Still Make This Job Invitation Phishing?
I received a strange job invitation claiming to be from Bolt. It came from [email protected], and the email headers showed that SPF, DKIM, and DMARC passed. The Received…
Is Microsoft’s SNDS network re-attestation email legitimate?
I received an unusually formatted email claiming that I need to re-attest our network access for Microsoft's Smart Network Data Services (SNDS). The message passed SPF and DKIM,…
Why are emails accepted by Outlook but never delivered to the recipient?
Some customers sending mail from external domains to recipients hosted on Outlook or Microsoft 365 are seeing messages disappear. The messages do not arrive in the inbox or…
Need Help Sorting Out DNS, Email Delivery, and IONOS Hosting
I'm still learning how DNS and email hosting work. I have several websites hosted with IONOS and use their email packages because they're inexpensive, but I've been running…
How can I fix my domain email and DNS setup?
I'm new to managing DNS and currently have several websites and email accounts hosted through IONOS. One domain's DNS records had to be wiped after an iCloud-related problem,…
Why is Gmail rejecting my Microsoft 365 emails with a low reputation error?
I'm using Microsoft 365 Exchange Online to send emails from my domain, techoffice.ca, but I'm running into issues with Gmail rejecting all outgoing messages. I'm receiving a '550…