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For some time people have been telling me about the benefits of SpamAssassin (SA). I have installed it once for a client (at their demand and against my recommendation) but was not satisfied with the result (managing the spam folder was too complex for their users). The typical configuration of SA has it run after [...] One item on my todo list is to set up a bunch of email addresses on sub-domains of domains that I am responsible for (with the consent of all people involved of course) and perform various actions to get the addresses noticed by spammers and measure how effective the various anti-spam measures are. As part [...] Today I have released a significant new version of my mail server benchmark Postal! The list of changes is below: Added new program bhm to listen on port 25 and send mail to /dev/null. This allows testing mail relay systems. Fixed a minor bug in reporting when compiled without SSL. Made postal write the date [...] In response to my previous post someone pointed out that MX records have an obvious benefit of offering multiple servers at different priority levels. I don’t believe that this is a benefit for many machines on the modern Internet. Most systems that have secondary MX records implement them poorly, they have less SPAM checks [...] One issue that has been the topic of some pointless discussion is whether a mail server should have an A record or an MX record. Mail can be delivered to a domain that has no MX record but simply an A record pointing to an IP address. But the most common practice is to have [...] |
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