On Thu, 22 May 2014 18:38:37 -0500 John Hasler <[email protected]> wrote:
> Joe writes: > > But you normally only get one spam at a time from one ISP, which > > suggests they do spot the problem themselves fairly quickly... > > It suggests that the spammers are quite sophisticated in their use of > their bots. These are the ones that make it through, meaning among other things they come from an address with a proper A-PTR record pair. My rejectlog shows addresses trying several times an hour for days, and these are mostly domestic users. Presumably most mail servers reject these, and complaints aren't raised as quickly. -- Joe -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: https://lists.debian.org/[email protected]
