[Wylug-discuss] Re: SMTP standards (was Please confirm...)

[James Holden]

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Peter Corlett wrote:
| James Holden <wylug at jamesholden.net> wrote:
| [...]
|
|>If you deny access based on an invalid HELO, you *will* lose legitimate
|>mail, and you *will* be breaking RFC 2821 (sec 4.1.4).
|
|
| It's not lost, it's just not being accepted. That's a subtle, but
important
| distinction.

It's lost if it never hits your mailbox when it should have done.
Subtlties are unimportant. Your users won't get mail which they should
have done. Try explaining that to them when they don't receieve that
important order.

|>See RFC 821 and 2821.
|
|
| The contents of RFC 821 are moot, as it is obsoleted by RFC 2821. RFC 821
| should only be read if one is looking for a historical perspective, and
| definitely not as a standards document.

Correct, hence my inclusion or 2821.

James


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James Andrew Holden, Leeds, UK    (james at jamesholden dot net)
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