On 27/05/14 19:03, Paul Warren wrote:
We're seeing a growing problem of spam being sent through our servers using compromised authenticated SMTP credentials.
[...]
We're currently considering rate-limiting, or trying to detect where a single user is using multiple IPs in quick succession.
Do you get undeliverables? Bounces? Monitor the rate. Do they send with multiple envelope-from addresses from the one account? Monitor that rate. -- Jeremy -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
