greyscanner
greytrapping daemon to complement OpenBSD spamd
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    Package versiongreyscanner-2.01p1
 - 
    MaintainerThe OpenBSD ports mailing-list
 
greyscanner compliments OpenBSD spamd(8) greylisting by applying
additional heuristics to greylisted hosts.  Additional heuristics
include: confirm senders email address is valid, confirm existence of
the senders MX or A record in DNS, confirm recipient address(es) is
valid, and more.  Offending hosts are flagged as 'trapped' in the spamd
database.
      
      
      
      - mail/p5-Email-Valid
 - net/p5-Net-DNS