On Wed, Oct 17, 2012 at 09:35:33AM +0200, Tom Kinghorn wrote: > I was wondering id there is any way to specify a > destination_concurrency_limit for clients which have used > SMTP_AUTH and whose source is not on the $mynetworks. > > We currently have a problem where the accounts of clients > (who have used weak passwords), are being used to spam.
This issue last came up on this list way back in 2012, on the 16th of October, "Alert of unusually large queue". As per that thread, the solution is a combination of rate limiting by means of a policy service and content filtering of submission. > I am looking for a way to reduce the impact of this while > we contact all these users. I'd revoke their credentials ASAP, as soon as the compromised account is identified. -- http://rob0.nodns4.us/ -- system administration and consulting Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:
