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Kris Deugau wrote: > netguy wrote: >> Receintly I updated DNS for a few domains. My registrar gives the >> option of assigning an IP addy for domain.tld without having an alias: >> mail.domain.tld Ok, says I, lets give it a go. Bam! Slam, Spam >> started invading my privacy. This leads me to believe either: >> 1. Mail ( spam ) in this case is being sent to domain names without >> doing MX lookups. > > Yep. Spamware will certainly blindly open a connection to port 25 on > <domain.tld>, rather than sorting through MX records. Personally, I > think it's "better" to have that A record in place, spam notwithstanding. > If I'm not mistaken, even properly configured MTAs will revert to the A record of a domain of there are no MX records available. (although I haven't done any real research to back up this statement recently so I could be completely off base) Alan -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFEYY4kE2gsBSKjZHQRAqDxAJ99cB20GY+mTVfDa1K0Pr6YDlxM3ACfUpHu nJyzmBvCoPxmv6DE9TvXyE8= =TpOS -----END PGP SIGNATURE----- _______________________________________________ NOTE: If there is a disclaimer or other legal boilerplate in the above message, it is NULL AND VOID. You may ignore it. Visit http://www.mimedefang.org and http://www.roaringpenguin.com MIMEDefang mailing list [email protected] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
