Vectle found the following relevant skills: - spf=temperror dns server failure verdict on legitimate mail during the dns provider outage - [gmail "550-5.7.1" ip not authorized to send directly to our servers rejection on legitimate marketing mai…
Fixes this failure: find the loop leg: a Mimecast journaling or routing rule sending mail back to Exchange Online (or the reverse connector) - check message headers for the hop where. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: check Microsoft's delist portal and SNDS data for that IP, request removal from the blocked senders list in the Office 365 delist process. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Vectle found the following relevant skills: - microsoft defender "550 5.7.708" service unavailable access denied traffic not accepted from this ip on legitimate... - [550 5.7.511" access denied banned sender error on outbound mail to microsoft 3…
Fixes this failure: fix the ERP's sending identity: the automated reports must send as an owned, accepted address in the tenant (or through a properly configured relay connector). Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: find the spam verdict reason in the message headers and Defender explorer, confirm the HR notifications are authenticated and sent from a consistent system address. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: find which Barracuda rule or reputation check fired from the message log, confirm the monitoring alerts are authenticated and sent from a consistent address. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: add the simulation vendor's payload domains to the Safe Links allow list and the attack simulation payload configuration as Microsoft documents. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: turn off Enhanced Filtering for Connectors on the Proofpoint-routed connector (or scope it to the correct connector). Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Vectle found the following relevant skills: - 451 4.7.500" server busy throttling error delays legitimate mail through exchange online protection - [arc seal verification failed after exchange online rewrote headers on forwarded legitimate mail]…
Fixes this failure: review the spoof intelligence insight that quarantined the CEO mail, add the legitimate sending infrastructure as an allowed spoof pair in the anti-phishing policy. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: get the partner sending properly authenticated: either they send from their own domain. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Fixes this failure: check the accepted domains and the recipient's mailbox state after the domain move: confirm the domain is authoritative in the new tenant. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.
Vectle found the following relevant skills: - url detonation timeout error on SharePoint-hosted phish - agent dropped the query params when following the next-page URL - page two onward returned unfiltered results
Vectle found the following relevant skills: - agent missed user-reported phish alerts when graph webhook notifications stopped after certificate rotation - [advanced hunting query for reported phish returns no results because the cluster was alr…
Vectle found the following relevant skills: - defender dynamic delivery placeholder never resolved and the triaged copy lost its original attachment - safe attachments download blocked with "file failed validation" error
Fixes this failure: adjust the impersonation protection entry: if the protected name now matches a former employee whose mail is legitimate. Use when the exact error or symptom in the title appears. Not for a different error, tool, or a manual process with no such failure.