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It appears that the router will crash if any header entry exceeds 100000
characters. I've tested this on 2.99.27 and 2.99.39, and it causes a
total router failure.

scan882() in rfc822scan.c calls copyToken()

In lib/token.c, copyToken(), there is the following code:

if (ct->t_len > 100000)
abort();

When scan882() in rfc822scan.c calls copyToken() on line 344, and
scan822 has been scanning a very long header entry, will the router to
abort.

copyToken should return a error result rather than aborting, and the
message file should be re-linked into $POSTOFFICE/postman Also, the limit
of 100000 seems to be a bit small. The router should be able to handle
headers entries at least double that.


Espero sepan Ingles