I've been blocking IPs left and right, trying not to set a /8 on an entire A class. But the attacks on trying to get into the email server just aren't stopping:
Anyone have any ideas on what can be done? The IPs are constantly changing.
Code:
2006-07-17 14:04:02 H=(xx.xx.xx.xx) [218.234.229.176] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:02 H=(xx.xx.xx.xx) [211.109.212.27] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:02 H=(xx.xx.xx.xx) [201.210.24.146] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:03 H=(xx.xx.xx.xx) [203.128.85.13] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:03 H=(xx.xx.xx.xx) [58.233.13.61] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:03 H=(xx.xx.xx.xx) [211.109.212.27] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:04 H=(xx.xx.xx.xx) [201.210.24.146] F=<[email protected]> rejected RCPT <[email protected]>: authentication required
2006-07-17 14:04:04 H=(xx.xx.xx.xx) [58.233.13.61] F=<[email protected]> rejected RCPT <[email protected]>: authentication requiredAnyone have any ideas on what can be done? The IPs are constantly changing.
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