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Stefan Cink

About Stefan Cink

This author has yet to write their bio.
Meanwhile lets just say that we are proud Stefan Cink contributed a whooping 5 entries.

Entries by Stefan Cink

News, Tech & Support, Updates

Outgoing e-mails are rejected with “Unable to relay”

Dear NoSpamProxy customers, since a few hours we see in customer environments that send outgoing e-mails from O365 via NoSpamProxy the error “Unable to relay”. We found that Microsoft uses a new certificate to identify all Office 365 email servers, which was issued by a GlobalSign CA rather than Microsoft’s own CA. The NoSpamProxy security […]

27.07.2018 by Stefan Cink
News, NoSpamProxy Encryption, NospamProxy Large Files, NoSpamProxy Protection, Product, Tech & Support

How to use SPF-authenticated servers in “Corporate email servers”

How to use SPF-authenticated servers in “Corporate email servers” Similar to Microsoft Exchange, some NoSpamProxy features can only be enabled through a PowerShell cmdlet. Specifying an “SPF-authenticated corporate email server” is one such feature. Entries of this kind facilitate the maintenance of NoSpamProxy enormously. “Corporate email servers” define the servers of a company that are […]

26.03.2018 by Stefan Cink

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