<Clay_Hand@Sessions.senate.gov>: host a-ess-mx2.senate.gov[156.33.195.156]
said: 550 5.1.1 <Clay_Hand@Sessions.senate.gov>... User unknown (in reply
to RCPT TO command)

<Clint_Brown@Sessions.senate.gov>: host a-ess-mx2.senate.gov[156.33.195.156]
said: 550 5.1.1 <Clint_Brown@Sessions.senate.gov>... User unknown (in reply
to RCPT TO command)

<David_Hawkins@Sessions.senate.gov>: host a-ess-mx2.senate.gov[156.33.195.156]
said: 550 5.1.1 <David_Hawkins@Sessions.senate.gov>... User unknown (in
reply to RCPT TO command)

<Clermon_Acklin@boozman.senate.gov>: host a-ess-mx1.senate.gov[156.33.195.155]
said: 550 5.1.1 <Clermon_Acklin@boozman.senate.gov>... User unknown (in
reply to RCPT TO command)

<Cindy_Pearson@armed-services.senate.gov>: host
a-ess-mx2.senate.gov[156.33.195.156] said: 550 5.1.1
<Cindy_Pearson@armed-services.senate.gov>... User unknown (in reply to RCPT
TO command)

<Daniel.Hay@mail.house.gov>: host hydrus.house.gov[143.228.150.179] said: 550
5.7.1 Unable to deliver to <Daniel.Hay@mail.house.gov> (in reply to RCPT TO
command)
mail system

<Alexandra_Hathaway@armed-services.senate.gov>: host
p-ess-mx1.senate.gov[156.33.195.159] said: 550 5.1.1
<Alexandra_Hathaway@armed-services.senate.gov>... User unknown (in reply to
RCPT TO command)

<Alec_Hinojosa@enzi.senate.gov>: host a-ess-mx1.senate.gov[156.33.195.155]
said: 550 5.1.1 <Alec_Hinojosa@enzi.senate.gov>... User unknown (in reply
to RCPT TO command)

<e.coutts@lcfr.co.uk>: host eu-smtp-inbound-2.mimecast.com[195.130.217.201]
said: 550 Envelope blocked - User Entry -
http://kb.mimecast.com/Mimecast_Knowledge_Base/Administration_Console/Monitoring/Mimecast_SMTP_Error_Codes#550
(in reply to RCPT TO command
 davido.extraxim@gmail.com