Le_Forgeron <lef### [at] freefr> wrote:

>
> SMTP has a special tag (a dot on a line by itself) to signal the end of
> a data block (i.e. the body of email). To avoid issue of truncating the
> message (and because nntp messages could also be sent as email), some
> smart*** found it simpler to "escape" the starting dot of any text by
> doubling it.
>
> The same "magic" happens if you start a line of text with From : it get
> escaped, but this time by being quoted with a ">".
>
> Of course, as it is unlikely to happen in real-life (and casual tests),
> it is often unnoticed.
>
> --
> Just because nobody complains does not mean all parachutes are perfect.


Thanks for an explanation.

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