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Groups > comp.os.linux.networking > #2779

Re: ping Moe Trin

From buck <buck@private.mil>
Newsgroups comp.os.linux.networking
Subject Re: ping Moe Trin
Date 2014-03-06 20:33 +0000
Organization Say What?
Message-ID <lfam3802snq@news6.newsguy.com> (permalink)
References <lf7toj01a8q@news6.newsguy.com> <53179ACA.6000006@thadlabs.com> <slrnlhf8fq.81f.grahn+nntp@frailea.sa.invalid> <slrnlhfl3f.cij.ibuprofin@fermi.phx.az.us> <lfahvf$ocf$1@usenet01.boi.hp.com>

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On 3/5/2014 11:26 AM, buck wrote:
> I'm sure I read that the SMTP server must not reject messages where 
the SENDER is blank

From RFC 5322 and replies, it appears that I had this backwards.  If my 
understanding of 5322 is correct, at least one of the SENDER headers 
MUST contain a "valid" Email address.

Valid is in quotes because, as Richard Kettlewell said
"None of this tells you who the message is really from, since in 
practice the real sender can put anything they like in these fields."

Thanks for the replies.
-- 
buck

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Thread

ping Moe Trin buck <buck@private.mil> - 2014-03-05 19:26 +0000
  Re: ping Moe Trin Thad Floryan <thad@thadlabs.com> - 2014-03-05 13:44 -0800
    Re: ping Moe Trin Jorgen Grahn <grahn+nntp@snipabacken.se> - 2014-03-05 22:15 +0000
      Re: ping Moe Trin Moe Trin <ibuprofin@painkiller.example.tld.invalid> - 2014-03-06 01:50 +0000
        Re: ping Moe Trin buck <buck@private.mil> - 2014-03-06 07:19 +0000
          Re: ping Moe Trin David Brown <david.brown@hesbynett.no> - 2014-03-06 09:38 +0100
          Re: ping Moe Trin Richard Kettlewell <rjk@greenend.org.uk> - 2014-03-06 09:54 +0000
          Re: ping Moe Trin William Unruh <unruh@invalid.ca> - 2014-03-06 17:43 +0000
        Re: ping Moe Trin Rick Jones <rick.jones2@hp.com> - 2014-03-06 19:23 +0000
          Re: ping Moe Trin buck <buck@private.mil> - 2014-03-06 20:33 +0000
            Re: ping Moe Trin Moe Trin <ibuprofin@painkiller.example.tld.invalid> - 2014-03-07 02:52 +0000
              Re: ping Moe Trin "Charlie Gibbs" <cgibbs@kltpzyxm.invalid> - 2014-03-07 14:09 -0800
                Re: ping Moe Trin Jorgen Grahn <grahn+nntp@snipabacken.se> - 2014-03-08 20:58 +0000
                Re: ping Moe Trin Moe Trin <ibuprofin@painkiller.example.tld.invalid> - 2014-03-09 01:53 +0000
          Re: ping Moe Trin Moe Trin <ibuprofin@painkiller.example.tld.invalid> - 2014-03-07 00:22 +0000

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