Date: Sun, 28 Feb 2021 12:01:34 -0600 From: Tim Daneliuk <tundra@tundraware.com> To: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Somewhat OT: Mail Relay Services Message-ID: <877d08ef-d533-69f6-4c44-f2cbbe39ba31@tundraware.com>
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For many years, I've run a mail system built on FreeBSD for my own small business. It's been as flawless as any mail server ever can be, requiring only periodic maintenance and updates. The primary server runs in a 3rd party cloud environment. We are starting to see parts of their network blacklisted by the various UCE blackholing services. Unfortunately, they don't just blackhole a single IP, but an entire subnet at a time, which catches us in the mix. The big mail hubs like outlook.com no longer have a mechanism for removing the block for a single ip and kick you back to your ISP or hosting provider for resolution. So ... we are contemplating using a smart host to do all our outbound email for us via relays from our own mail servers. Presumably, such a smart host would be better equipped to deal with bad blacklisting and delivery issues. So ... does anyone have experience or recommendations as to who would be a good provider for a low volume, small business mail relay?
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