From owner-freebsd-questions@freebsd.org Sun Feb 28 18:37:40 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 2E98753C1D2 for ; Sun, 28 Feb 2021 18:37:40 +0000 (UTC) (envelope-from galtsev@kicp.uchicago.edu) Received: from kicp.uchicago.edu (kicp.uchicago.edu [128.135.20.70]) by mx1.freebsd.org (Postfix) with ESMTP id 4DpXFH2WMTz4gmp for ; Sun, 28 Feb 2021 18:37:39 +0000 (UTC) (envelope-from galtsev@kicp.uchicago.edu) Received: from [IPv6:2607:fb90:17c7:3d97:5001:80ab:de41:f0c6] (unknown [172.58.139.219]) (Authenticated sender: galtsev) by kicp.uchicago.edu (Postfix) with ESMTPSA id 610EC4E686; Sun, 28 Feb 2021 12:29:41 -0600 (CST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Subject: Totally OT comment: Re: Somewhat OT: Mail Relay Services From: Valeri Galtsev In-Reply-To: <877d08ef-d533-69f6-4c44-f2cbbe39ba31@tundraware.com> Date: Sun, 28 Feb 2021 12:29:39 -0600 Cc: FreeBSD Mailing List Content-Transfer-Encoding: quoted-printable Message-Id: <3926E240-2226-4E94-96E2-10A877B139D0@kicp.uchicago.edu> References: <877d08ef-d533-69f6-4c44-f2cbbe39ba31@tundraware.com> To: Tim Daneliuk X-Mailer: Apple Mail (2.3608.120.23.2.4) X-Rspamd-Queue-Id: 4DpXFH2WMTz4gmp X-Spamd-Bar: ++++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=uchicago.edu (policy=none); spf=none (mx1.freebsd.org: domain of galtsev@kicp.uchicago.edu has no SPF policy when checking 128.135.20.70) smtp.mailfrom=galtsev@kicp.uchicago.edu X-Spamd-Result: default: False [4.60 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; MV_CASE(0.50)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; RCVD_NO_TLS_LAST(0.10)[]; RECEIVED_SPAMHAUS_PBL(0.00)[172.58.139.219:received]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[128.135.20.70:from]; FROM_EQ_ENVFROM(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:160, ipnet:128.135.0.0/16, country:US]; ARC_NA(0.00)[]; RECEIVED_SPAMHAUS_XBL(5.00)[172.58.139.219:received]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; MIME_GOOD(-0.10)[text/plain]; R_DKIM_NA(0.00)[]; SPAMHAUS_ZRD(0.00)[128.135.20.70:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(1.00)[1.000]; R_SPF_NA(0.00)[no SPF record]; RCVD_COUNT_TWO(0.00)[2]; GREYLIST(0.00)[pass,body]; MAILMAN_DEST(0.00)[freebsd-questions]; DMARC_POLICY_SOFTFAIL(0.10)[uchicago.edu : No valid SPF, No valid DKIM,none] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Feb 2021 18:37:40 -0000 > On Feb 28, 2021, at 12:01 PM, Tim Daneliuk = wrote: >=20 > 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. >=20 > 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. >=20 > 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. Totally OT comment: For quite some time already I have a feeling that big boys - = gmail/google; microsoft/outlook/office365/hotmail; yahoo=E2=80=A6 - = effectively jacked =E2=80=9Csmall time=E2=80=9D sysadmins out of = providing email service. Tim=E2=80=99s description shows one mechanism = of it. Valeri > 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. >=20 > So ... does anyone have experience or recommendations as to who would = be a good > provider for a low volume, small business mail relay? > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to = "freebsd-questions-unsubscribe@freebsd.org"