Date: Tue, 5 Jan 2016 14:39:17 +0000 From: Matthew Seaman <matthew@FreeBSD.org> To: mexas@bris.ac.uk, freebsd-questions@freebsd.org Subject: Re: sendmail config help Message-ID: <568BD595.6070500@FreeBSD.org> In-Reply-To: <201601051413.u05EDiRX065867@mech-as222.men.bris.ac.uk> References: <201601051413.u05EDiRX065867@mech-as222.men.bris.ac.uk>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --sNQbL5kvj4DwqOKC9s68qFucwcpXhAn46 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 05/01/2016 14:13, Anton Shterenlikht wrote: > Matthew, thank you, that solved the problem. Cool. >> >Personally, I'd name the mail server as 'smtp.z.com' and use an MX >> >record to direct the mail to it. That's pretty standard and it will >> >help avoid your messages getting classed as spam. > Sorry, I don't understand this fully. >=20 > After I set smtp.z.com in MX record, > do I need to change anything on the server side > for this to work? >=20 > I naively thought that using smtp.z.com makes > sense only if it refers to physically diffent > host than z.com. Am I wrong? Yes -- as I said, you /can/ do without an MX record if you want to. However, I recommend that you do always have an MX record: it basically makes it transparently obvious to people that might want to exchange e-mail with you that you intended for this host to handle SMTP traffic. In fact, even if your mail host uses just the domain as its hostname, I'd still have z.com. IN MX 0 z.com. Which looks entirely redundant, but the reason to have it is more social and reputational rather than technical. > Sorry for taking your time. > Perhaps you can point to a good background > reading on this. I'm lost in multitude of > advice on the net. Given you've an ac.uk address, try finding the O'Reilly Sendmail book in the library there. It's a bit of a doorstop, but a lot of it consists of enumerating various different options -- reference stuff, rather than instructional material. Not sure if it's still available to buy, but that is probably the best guide to Sendmail you'll find. For quick reference I find /usr/share/sendmail/cf/README is actually pretty good. Cheers, Matthew --sNQbL5kvj4DwqOKC9s68qFucwcpXhAn46 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2 iQJ8BAEBCgBmBQJWi9WVXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ2NTNBNjhCOTEzQTRFNkNGM0UxRTEzMjZC QjIzQUY1MThFMUE0MDEzAAoJELsjr1GOGkATp/MQAKgxYTahRs8FxpEZyiMFthpV Uc7dqVC+sW+QKQ8pxoURhaefya9arG6Yz/gGJX+XkB8kuvTESYScZzg/TIeG+/t2 rNH+9TvMlji4aeQ7HpL15WsUeK/OHyZhhYIt6DOCnXWylxhdPq2MXavBe6PtLSbx rw4OAFdymwLf0VOxgaabSsR+HneDGzhtEtbJg0l1PdaqX63Zz6Si5y4Sr2/hn6Pu Spdy27QHJNTIWd/Lg3YqT+rW/m1UolkkJbAG2tvQ6Bh62wQDACT/yMlNxXtXKIFr OCcAzl/KQNIlfY2jk0vymFlblZ5VVe/YggeKV6yVnq0+IVVIrR631Bi1LcHkzjHx wGeheCbnaMnXgmeaNgqFIb009NQs1jrxoa0DjtgBwvxG1YUGJSilwh+xid6EfnbD HiTDFwmG3iYanZZFEho0BIzTFu5j+gpO8sK7zr566cB+EUcA7U96d5R5kyZMHj9z Zq8z4p5jNzVgPRY1qkrK+NzjhCrn6xWw9L3Bdq3AEIKy/NoEw7rvMl0NJo5v2kE1 6q3Nfc/IGTw3B6Hb8eGVO2q3NL4+MceCDG7KfimoflyWVjnghrUSuhFwVQliMtbc /FDf6N/NRtVe2uaX8N6LHkOyEx2MibCrqamqMKoHuSKCW7Puen+O6eB569aRhy3r TC0R/ZKRMvP8tE+6YsLm =lnqB -----END PGP SIGNATURE----- --sNQbL5kvj4DwqOKC9s68qFucwcpXhAn46--
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