Our blog shares expert insights on email security, DMARC configuration, and deliverability optimization.
aspf=r is relaxed SPF alignment (subdomains align); aspf=s is strict (exact match). Both aspf and adkim default to r. Lookup table and pass/fail examples inside.
SPF failures show up in your DMARC reports or email headers, but the reason is not always obvious. We break down the common causes of SPF failures and walk through practical troubleshooting steps.
Set up SPF, custom-domain DKIM, and DMARC for Microsoft 365. Use the current Microsoft CNAME format, verify alignment, and monitor every sender.
GoDaddy's DNS interface lets you add or edit DMARC as a TXT record at _dmarc. Here's the current GoDaddy path, including what to do if a default DMARC record already exists.
Marc's note on the guardrails inside our DMARC generator: report URI cleanup, external destination warnings, old syntax handling, and current DMARC record choices.
Forums show the same anxiety pattern: 'I want p=reject, but I'm afraid I'll block legit mail.' The rollout is mostly about gates: inventory done, alignment fixed, SPF lookup limit avoided, and then staged enforcement.
Forwarding and discussion lists are a classic DMARC pain point: SPF usually breaks, DKIM sometimes breaks, and then users blame the receiving org. We explain why this is structural, and how ARC and SRS attempt to fix it.
A recurring forum storyline: you set up an ESP, authentication tools say it's fine, yet DMARC alignment is still broken. This usually comes down to how the ESP signs DKIM (d=), whether you're using a custom sending domain, and whether you should isolate with a sending subdomain.
Forum threads keep repeating the same confusion: "SPF and DKIM pass, so why does DMARC fail?" The missing mental model is DMARC alignment. We explain aspf/adkim, organizational vs strict alignment, and why you likely rely on DKIM alignment more than you think.
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