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Re: Modern best practice for putting a contact email on the web



On Mon, 5 Apr 2021 21:57:50 +0100
Joe <joe@jretrading.com> wrote:

> On Mon, 5 Apr 2021 16:10:05 -0400
> Celejar <celejar@gmail.com> wrote:
> 
> > On Mon, 5 Apr 2021 20:36:39 +0100
> > Joe <joe@jretrading.com> wrote:
> > 
> > > On Mon, 5 Apr 2021 14:49:15 -0400
> > > Celejar <celejar@gmail.com> wrote:
> > >   
> 
> > > > Okay, but why isn't trying to limit spammers getting hold of an
> > > > address a logical part of a defense in depth strategy?  
> > > 
> > > It is, but if you are reachable then a human can enter your address
> > > on  
> > 
> > Yes, but humans don't scale the way bots do ;)
> 
> No, but you don't care about how many other addresses are harvested,
> just about yours.

Well, actually I care about others as well ;)

But my point was that if it takes a human to scrape my email address,
then spammers are less likely to do it, since to scrape emails manually
at scale would be prohibitively expensive, whereas if the address can
be scraped by bots, then they will do it, since the cost of the bot can
be amortized over lots of addresses.

> > > Unfortunately, there's nothing to beat running your own mail server,
> > > which is not particularly high-maintenance after setup. The address
> > > at the top of this email was created nearly 23 years ago, and has
> > > been used widely around the Net, including several Usenet groups. I
> > > get between one and four spams a day in my inbox. As it happens, I
> > > put a new CIDR group on my blacklist today, for the first time in
> > > perhaps a year.  
> > 
> > I've certainly been tempted for a while. And I suppose that receiving
> > is less problematic then sending, where one apparently has to manage
> > reputation, worry about past users of an IP address, monitor
> > blacklists, etc.
> > 
> Yes, sadly that boils down to having a competent ISP, and I know that
> in some parts of the world there's not much choice. In the UK, we have
> three good ISPs, one of which is amazing but expensive. In general, if
> you can find an ISP who will provide a fixed IPv4 address at little or
> no extra cost, they probably know what they're doing.
> 
> It is possible to send through a smarthost, which an ISP may provide,
> without worrying about your own address, but you lose one of the
> advantages of your own server, of having troubleshooting information
> about outgoing emails. ('My message, ID xxxxxxxx, was accepted by your
> server at xx:yy:zz two days ago... what did you do with it?')

Understood.

Celejar


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