Re: [exim] Questions about "Line too long"

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Autor: Jonas Meurer
Datum:  
To: exim-users
Betreff: Re: [exim] Questions about "Line too long"
On 19/07/2006 Tony Finch wrote:
> On Wed, 19 Jul 2006, Jonas Meurer wrote:
> >
> > is it the case here, that mailin06.sul.t-online.de rejects the mail
> > because it contains lines that exceed a specified limit?
>
> Probably.


seems like a too long Subject may be one reason.
i tested long lines in the body and long subjects:
- body line with 20000 chars is no problem for mailin06.sul.t-online.de
- subject with 16373 chars is no problem for mailin06.sul.t-online.de
- subject with 16375 chars is rejected with "500 5.6.1 Line too long."

but i doubt that people send mail with subjects > 16373 characters. so
there may be other cases, where the t-online mailserver responds with
"500 5.6.1 Line too long.".
my tests also showed, that courier for example rejects any mails with
subjects longer than ca. 4990 lines.

> > if this is true, does exim support to automatically break long lines
> > before transmitting the message to mailin06.sul.t-online.de?
>
> No, though you could use a transport filter. However I fear what that may
> break. Much better to just send sensible email in the first place, as
> Suresh suggested.


the problem is that newsletters are sent through this server, and some
of them have more than 50 t-online addresses subscribed. and for some
reason the error happens quite often.
i will see whether i can get one of the mails that produced such an
error. but the error occurs only for t-online addresses, all others
receive the newsletter.

...
jonas