maillog relay question
Hello All,
Ok, this is just a quick question in regards to a small section of my maillog file. The lines: Code:
Oct 9 08:14:16 looneytunes sm-mta[23312]: l99FEFXM023312: ruleset=check_mail, arg1=<michael78694@MyMainServer.com>, relay=218-167-77-53.dynamic.hinet.net [218.167.77.53], reject=553 5.1.8 <michael78694@MyMainServer.com>... Domain of sender address michael78694@MyMainServer.com does not exist Also, the last line with dimensionallife.com (may be forged) I was just curious exactly what that means. Thanks, DragonM15 |
The 'relay' bit first confused me too. Sendmail has a somewhat confusing terminology here. You're thinking probably 'relay' as in 'I relayed the mail to someplace else' but here it means 'the place that gave something to you', or 'the previous or next position'. Think of people running a relay race, and maybe that will help (one hands off to the next).
The 'may be forged' bit comes up when hostname and IP addresses don't match up perfectly. I see this with one of my systems, it happens with hostname pointers in use and multihomed systems. Here: Code:
host 69.13.38.197 |
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