[LINK] Why www.etc?
Antony Barry
tony at tony-barry.emu.id.au
Mon Dec 10 16:35:20 AEDT 2007
Begin forwarded message:
>
> The attached message has been automatically discarded.
> From: Paul Brooks <pbrooks at layer10.com.au>
> Date: 10 December 2007 11:11:50 AM
> To: Scott Howard <scott at doc.net.au>, Glen Turner <gdt at gdt.id.au>
> Cc: link list <link at anu.edu.au>
> Subject: Re: [LINK] Why www.etc?
>
>
> Scott Howard wrote:
>>
>> On 12/7/07, Paul Brooks <pbrooks-link at layer10.com.au> wrote:
>> The '+' is a fairly recent development used only within the Cpanel
>> webhosting system as far as I know.
>>
>> "Recent" is obviously a fairly relative term, but the concept of
>> using + in addresses has been around for at least 10 years,
>> although it wasn't necessarily natively supported in most MTAs at
>> that stage (It's only the receiving MTA that needs to support it -
>> not the sender or anyone in the middle). Sendmail needed 1 or 2
>> extra config lines to support it.
>>
>> It's used far more extensively than cpanel, and is supported by
>> most MTAs, including most webmail services.
>>
>> For years I have been using different addresses within my own
>> domain to differentiate where mail has come from, and in at least
>> two cases have been able to confirm legitimate (?) companies
>> selling addresses (or in one case, if you believe them, "the
>> addresses were stolen when our system went in for repair").
>
> Scott (and Glen) - check back to the original message, I think we
> are all correct.
>
> You are referring to using a '+' symbol as part of the user-part of
> an email address - yes, this has been supported for a long time, as
> 'user+bit at domain'.
>
> In the message I responded to, Jan said:
>> Even the @ I believe can be substituted with +. I just learned
>> that recently when setting up a new email account, but that may
>> not be universal.
>
> Jan, as I read it, was referring to replacing the '@' symbol with a
> '+' symbol, constructing addresses like 'user+domain' instead of
> 'user at domain'. This, as far as I know, is a Cpanel configuration
> specialism not widely used elsewhere.
>
> at least, I doubt if I'll get this delivered to 'link
> +anu.edu.au'.....nope.
>
>
> -- Paul Brooks | Mob +61 414 366 605 Layer 10 Advisory | Ph +61 2
> 9402 7355 -------------------------------------------------------
> Layer 10 - telecommunications strategy & network design
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