From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Uwe Brauer Newsgroups: gmane.emacs.devel Subject: Re: gmail+SMTP(only) (oauth2) Date: Wed, 18 May 2022 08:15:15 +0200 Message-ID: <87fsl75pu4.fsf@mat.ucm.es> References: <87wnek5d9c.fsf@mat.ucm.es> <87mtffhdqm.fsf@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=sha256; protocol="application/pkcs7-signature" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9762"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:OgoUDyL9TqMytXgIxbUZ/4gFck0= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed May 18 08:18:49 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nrD1E-0002NQ-VG for ged-emacs-devel@m.gmane-mx.org; Wed, 18 May 2022 08:18:49 +0200 Original-Received: from localhost ([::1]:33618 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nrD1D-0003r7-Dp for ged-emacs-devel@m.gmane-mx.org; Wed, 18 May 2022 02:18:47 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51464) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrCy1-0002gb-As for emacs-devel@gnu.org; Wed, 18 May 2022 02:15:29 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:60628) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrCxz-0004mB-Aa for emacs-devel@gnu.org; Wed, 18 May 2022 02:15:29 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nrCxx-0008eT-Bt for emacs-devel@gnu.org; Wed, 18 May 2022 08:15:25 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:289907 Archived-At: --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable >>> "TC" =3D=3D Tim Cross writes: > Uwe Brauer writes: >> Hi >>=20 >> Today I got the unofficial approval to forward my email to an account of >> my choice, if I can't access my mail with TLS (SSL or the gmail app >> password anymore) > So are you saying your institution won't allow you to use app passwords? > If they do, I would highly recommend going that route as the most > reliable and easily maintained approach. Note that even with the app > password solution, you still are using TLS both with imap and smtp.=20 No, I did not say that, but I have seen rumors that google will drop also the app password approach, in which case this route is not any longer possible. However, I don't remember where I have seen it. Do you have information regarding this subject? >>=20 >> However I have been warned that the message should have a from field >> with a domain of my university. (@mat.ucm.es for example). >>=20 >> Now I could either use >>=20 >> 1. The smtpmail (or sendmail) program of my linux machine (not sure >> about MacOS > No, at least not on its own. You may well use smtpmail to communicate > with an SMTP server, but you will need to identify a new smtp server you > can use which will allow you to use a from header which is not the > 'standard' for that server. You cannot just use an SMTP server running > on your local Linux desktop - at least not if you want to ensure > reliable mail service and avoid having your messages dropped into > blackholes and anti-spam quarantine systems. Some services might allow > you to configure your local desktop sendmail (or postfix or whatever) as > a satelite/smarhost which relays messages to the main SMTP service, but > your really just adding complexity with little benefit and will likely > run into all sorts of ISP issues (especially if your system is a laptop > which connects via different networks).=20=20 I see, I might be able that my machine will be registered in our DNS databank as=20 machine-name.mat.ucm.es I am not sure that it will help if I use my Linux SMTP server, [1]. Especially if I am using my laptop on any other institutions or at home, since I then will have an IP address that is not within the range of the IP addresses my university uses. I could use VPN but that slows down things and, it also does not allow me to use newservers since that is blocked when using non static university's IP, sigh. If this approach (registering my machine) does not help, I have to pray that google will stick to app passwords for the foreseeable future. Regards Uwe=20 Footnotes: [1] (I need the from to be oub@mat.ucm.es, because otherwise my SMIME certificate is not working) --=-=-= Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename=smime.p7s MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCE8cw ggWDMIIDa6ADAgECAg9dk40wZzbIBh0ax1SEaQcwDQYJKoZIhvcNAQELBQAwOzELMAkGA1UEBhMC RVMxETAPBgNVBAoMCEZOTVQtUkNNMRkwFwYDVQQLDBBBQyBSQUlaIEZOTVQtUkNNMB4XDTA4MTAy OTE1NTk1NloXDTMwMDEwMTAwMDAwMFowOzELMAkGA1UEBhMCRVMxETAPBgNVBAoMCEZOTVQtUkNN MRkwFwYDVQQLDBBBQyBSQUlaIEZOTVQtUkNNMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKC AgEAunGAekyGbn/IE23Axn0cAJePLAwjuxCaQKkat4eI+JtWavvme46Lko6nJV1ZEds2LrdRFx+p CB8EFyRYqjdKGN/lOdRX/dfBLJEBkeIi1APAWPx3R+yPPnRDuqw0jU04dmeOsMhvMDNYcVy09Wtu 1AFQuBN+bEqjSdEgGe68wCkYZafe/u/dCpAh5xpnkkIQmF9PMLw+HEW0ENdoQBTAQPrndxd65guP ZVs82ZpS27W9nkbPPeuRBQLAlrJ2TE0QljuS+px/D5nfviM1RR4CXP61qJuZJdpe8yLDOfXkKi7T 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