From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.ciao.gmane.org!not-for-mail From: Brian Sniffen Newsgroups: gmane.emacs.bugs Subject: bug#34177: smtpmail.el aborts on transient errors Date: Tue, 22 Jan 2019 23:09:08 -0500 Message-ID: <70A0D375-0530-45D8-B4A4-B7BDF009749D@evenmere.org> Mime-Version: 1.0 (1.0) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.org; posting-host="ciao.gmane.org:195.159.176.228"; logging-data="137155"; mail-complaints-to="usenet@ciao.gmane.org" To: 34177@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 23 13:12:33 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gmHOS-000ZYp-Kn for geb-bug-gnu-emacs@m.gmane.org; Wed, 23 Jan 2019 13:12:33 +0100 Original-Received: from localhost ([127.0.0.1]:33332 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gmHOR-0002V3-9x for geb-bug-gnu-emacs@m.gmane.org; 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h=From:Date:Subject:To:From; b=OXBO/uW/gfz7cx6SIvD+Akzw7nVSjNGUFPMBMiVPR39lyKVfC+FBiCjFDmrgY1y8L F6LtT7YpQqOw8D/YtSlGFy2mmuZ0HpdK70yGkougsmFHqmuoWrJBps31SgWt08hmSt yCfrpAwn14CXyyeTUUKjxyKVz5ld/TLbhapv4Lyo= X-Mailer: iPad Mail (16D39) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Mailman-Approved-At: Wed, 23 Jan 2019 07:10:30 -0500 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:154692 Archived-At: smtpmail.el treats all return codes over 400 as errors, and aborts. But RFC= 821 and successors call the 400-series =E2=80=9Ctransient=E2=80=9D errors a= nd suggest retrying immediately. Some mail servers, including current MS Ex= change, use 400-series errors for load limiting. The user can just repeat C= -c C-c until the mail goes through... or Emacs SMTPmail could loop until the= server accepts it. Retrying is a little tricky in the case of multipart commands like LOGIN, bu= t in general it=E2=80=99s safe to loop for seconds on any command. --=20 Brian Sniffen=