Rocksolid Light

Welcome to novaBBS (click a section below)

mail  files  register  newsreader  groups  login

Message-ID:  

Remember, UNIX spelled backwards is XINU. -- Mt.


devel / comp.lang.python / Re: Checking if email is valid

SubjectAuthor
o Re: Checking if email is validD'Arcy Cain

1
Re: Checking if email is valid

<mailman.136.1698955989.3828.python-list@python.org>

  copy mid

https://www.novabbs.com/devel/article-flat.php?id=24317&group=comp.lang.python#24317

  copy link   Newsgroups: comp.lang.python
Path: i2pn2.org!i2pn.org!news.swapon.de!fu-berlin.de!uni-berlin.de!not-for-mail
From: dar...@Vex.Net (D'Arcy Cain)
Newsgroups: comp.lang.python
Subject: Re: Checking if email is valid
Date: Thu, 2 Nov 2023 08:58:21 -0400
Organization: Vex.Net
Lines: 25
Message-ID: <mailman.136.1698955989.3828.python-list@python.org>
References: <nze9mu-VI8ExA3VA9RA07qMo9Oj03xuWoTe-FL6N_AbOGK0QC6LdqaeKq-OvcrilFYqqT5tc9LsvSqHRKDYMGaBXzlVzyOdX9Ae0Xp_ACtg=@protonmail.com>
<6542be44.050a0220.e7b44.2143@mx.google.com>
<CAPTjJmp6nTDSApa4iYtDu72ZQTrR97wEchQ6fkJExktHZgLLvA@mail.gmail.com>
<04e7696b-536e-4fcd-9d48-414623cd815a@Vex.Net>
<00de01da0d43$b2cb2a80$18617f80$@gmail.com>
<87e117e0-68df-4e08-9eb5-338471a5890b@Vex.Net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Trace: news.uni-berlin.de O1/2/JXJmsE3JJd/S1jRUAOFzLGqNQL4U8q70TH2t07w==
Cancel-Lock: sha1:ilfl/SqX/RF5OJmDTYFsYPypFlE= sha256:cokww0KMYPC0Bmnh/8gHoQge+7meq1iy4j4hK9CzTVA=
Return-Path: <darcy@Vex.Net>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
Authentication-Results: mail.python.org; dkim=none reason="no signature";
dkim-adsp=unknown (unprotected policy); dkim-atps=neutral
X-Spam-Status: UNSURE 0.359
X-Spam-Level: ***
X-Spam-Evidence: '*H*': 0.37; '*S*': 0.09; 'analyzed': 0.09; 'syntax':
0.15; 'that.': 0.15; 'ack': 0.16; 'avi': 0.16; 'gross': 0.16;
'scenario,': 0.16; 'shorter': 0.16; 'universities': 0.16;
'wrote:': 0.16; 'figure': 0.19; 'to:addr:python-list': 0.20;
'maybe': 0.22; 'tried': 0.26; 'header:User-Agent:1': 0.30;
'header:Organization:1': 0.31; 'python-list': 0.32; 'but': 0.32;
'there': 0.33; 'header:In-Reply-To:1': 0.34; 'one.': 0.35; 'yes,':
0.35; 'recipient': 0.36; 'addressed': 0.36; 'source': 0.36;
"it's": 0.37; 'others': 0.37; 'sending': 0.39; 'still': 0.40;
'connection': 0.61; 'remember': 0.61; 'email': 0.63; 'skip:m 20':
0.63; 'your': 0.64; 'less': 0.65; 'earlier': 0.67; 'back': 0.67;
'url:net': 0.68; 'facility': 0.69; 'direct': 0.73; 'tools': 0.74;
'quickly': 0.80; 'delivered': 0.84; 'meaning.': 0.84; 'merely':
0.84; 'received:10.3': 0.84; 'url-ip:98/8': 0.84; 'expensive':
0.91; 'mailbox': 0.91; 'turned': 0.95
User-Agent: Mozilla Thunderbird
Content-Language: en-US
In-Reply-To: <00de01da0d43$b2cb2a80$18617f80$@gmail.com>
X-Mailman-Approved-At: Thu, 02 Nov 2023 16:13:08 -0400
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: General discussion list for the Python programming language
<python-list.python.org>
List-Unsubscribe: <https://mail.python.org/mailman/options/python-list>,
<mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <https://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>,
<mailto:python-list-request@python.org?subject=subscribe>
X-Mailman-Original-Message-ID: <87e117e0-68df-4e08-9eb5-338471a5890b@Vex.Net>
X-Mailman-Original-References: <nze9mu-VI8ExA3VA9RA07qMo9Oj03xuWoTe-FL6N_AbOGK0QC6LdqaeKq-OvcrilFYqqT5tc9LsvSqHRKDYMGaBXzlVzyOdX9Ae0Xp_ACtg=@protonmail.com>
<6542be44.050a0220.e7b44.2143@mx.google.com>
<CAPTjJmp6nTDSApa4iYtDu72ZQTrR97wEchQ6fkJExktHZgLLvA@mail.gmail.com>
<04e7696b-536e-4fcd-9d48-414623cd815a@Vex.Net>
<00de01da0d43$b2cb2a80$18617f80$@gmail.com>
 by: D'Arcy Cain - Thu, 2 Nov 2023 12:58 UTC

On 2023-11-02 00:18, AVI GROSS via Python-list wrote:
> Yes, it would be nice if there was a syntax for sending a test message sort
> of like an ACK that is not delivered to the recipient but merely results in
> some status being sent back such as DELIVERABLE or NO SUCH USER or even
> MAILBOX FULL.

It used to do that. The facility was very quickly turned off.

> I note earlier iterations of email had addressed like
> mach1!mach2!mach3!ihnp4!mach5!mach6!user or even mach1!mach2!user@mach3 and
> I remember tools that analyzed what other machines various machines claimed
> to have a direct connection to and tried to figure out a connection from
> your source to destination, perhaps a shorter one or maybe a less expensive
> one. Hence machines like ihnp4 and various universities that were densely
> connected to others got lots of traffic. In that scenario, validity had
> another meaning.

Yep. It's called UUCP. It still exists. You can even do UUCP over TCP/IP.

--
D'Arcy J.M. Cain
System Administrator, Vex.Net
http://www.Vex.Net/ IM:darcy@Vex.Net
VoIP: sip:darcy@Vex.Net

1
server_pubkey.txt

rocksolid light 0.9.81
clearnet tor