Re: [Exim] Multiple Date: fields

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著者: John W Baxter
日付:  
To: exim-users
題目: Re: [Exim] Multiple Date: fields
At 22:46 +0000 3/13/2002, Richard.Hall wrote:
>Nice easy one, I hope. It's just that my eyes glaze over when reading
>syntax specifications in RFCs, and I'd like confirmation of my
>interpretation before moaning to someone (_not_ about Exim)
>
>Question: is it legal for a message to contain multiple Date: headers?
>
>My answer: No, according to both RFC 822 and RFC2822.
>
>Reason for asking:
>
> I'm being sent a message with multiple Date: headers.
> Exim concatenates them, resulting in a long $header_date:
> Nigel's system filter then fails it as overlong (to foil a M$ buffer
> overflow exploit)
>
>I'm quite happy about what Exim is doing; I just want right on my side
>when I complain to the sender ...


Legal or not, we see them too (I now forget the context, but it was from
some tiny company like AT&T. I lengthened the limit to include the three
date headers found there. (To 120, I think it was.)

--John

--
John Baxter   jwblist@???      Port Ludlow, WA, USA