Date: Sun, 7 Aug 2016 20:15:09 +0200 From: Niklaas Baudet von Gersdorff <stdin@niklaas.eu> To: freebsd-questions@freebsd.org, owner-freebsd-questions@freebsd.org Subject: Re: Need advice for setting up mail server Message-ID: <20160807181509.GE12411@len-t420.klaas> In-Reply-To: <eb9f0a6ac276fe69cffc8bd31dd699ba@mail.zplay.eu> References: <VI1PR02MB0974A0FB1361638BDD437043F61A0@VI1PR02MB0974.eurprd02.prod.outlook.com> <2394887a809b4ad8e702d1d13bb1337c@mail.zplay.eu> <20160807180149.GC12411@len-t420.klaas> <eb9f0a6ac276fe69cffc8bd31dd699ba@mail.zplay.eu>
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Solène Rapenne [2016-08-07 20:10 +0200] : > I have had issues with SPF since last year for a lot of servers (not > necessaries one of big companies) and I have been rejected recently of some > servers because I wasn't using DKIM. Even if it works without them, you need > to be aware of their existence in case you are rejected. I guess I have been quite lucky so far. :-) You're right though, you need to know about it. > This is a problem with greylisting but this could be "fixed" with a script > running every minute whitelisting servers of known domains checked by > reverse dns resolving. It will still add delay because the server need to > retry the sending but it works. Just another resource about this: https://calomel.org/spamd_config.html Niklaas
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