Bug#821830: exim4: Exim rejects mail with overlong lines without any explanation

[Andreas Metzler]

On 2016-04-19 Francesco Potortì <Potorti at isti.cnr.it> wrote:
[...]
> The problem is that Exim should not send out overlong lines.  If it
> cannot convert them, that's a pity, but the real problem lies in
> sending, not in accepting, and finding solutions to the sending problem
> should be based on this fact.  Suboptimal solutions can be accepted, if
> necessary, but should be recognised as such.

> If conversion is not an option or too difficult when acting as a relay,
> then overlong lines could be rejected in this case, and accepted for
> local delivery, or at least an option to configure this behaviour should
> be available.

Where this idea fails is at classiying at SMTP DATA whether mail will be
delivered successfully locally or will be will be passed on by SMTP.

cu Andreas

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