Re: [9fans] smtpd

[arisawa@ar.aichi-u.ac.jp]

Thanks, I will try.

Kenji Arisawa

On 2007/11/02, at 22:38, erik quanstrom wrote:

> yes.  i believe this bug was fixed.  i had this problem, too.
> 	9804261509.aa06201
> gives a different error (Invalid address) than "unknown user".
> any local name with an invalid character will do this.
> i think you need to update /mail/lib/validatesender.  here's
> my fix:
>
> #!/bin/rc
> mail -x $1 | grep -vs '^unknown user|^Invalid address'
>
> this fix is very important.  without it, you can be an open spam
> relay.
>
> - erik
>
>> The following data is extracted from my /sys/log/smtpd and /sys/log/
>> smtp.
>>
>> smtpd:
>> ar Oct 30 13:43:16 ehlo from 82.34.95.22 as
>> 82-34-95-22.cable.ubr05.gill.blueyonder.co.uk
>> ar Oct 30 13:43:26 [82-34-95-22.cable.ubr05.gill.blueyonder.co.uk/
>> 82.34.95.22] fastcoco.com!kjeld sent 179 bytes to ar.aichi-u.ac.jp!
>> 9804261509.aa06201
>>
>> smtp:
>> ar Oct 30 13:43:26 /dev/null sent 2623 bytes to kjeld@fastcoco.com
>>
>> The person who submitted the mail from
>> 82-34-95-22.cable.ubr05.gill.blueyonder.co.uk might not be
>> kjeld@fastcoco.com.
>>
>> I think it is better for smtpd to reject with message: 550 Requested
>> action not taken: mailbox unavailable
>>
>> Sorry if this is already fixed.