
adip at gmx
Aug 10, 2010, 5:42 PM
Post #3 of 3
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Re: "553 We do not relay without RFC2554 authentication" failure notice
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On Tue, 10 Aug 2010 20:00:14 +1000 Philip Rhoades wrote: > <bf [at] beyondfederation>: > 203.56.245.41 does not like recipient. > Remote host said: 553 We do not relay without RFC2554 authentication. > Giving up on 203.56.245.41. > > > I get plenty of messages from this list so other people are not > having any difficulty posting to it - so I don't know why I am > getting this message (I did some Googling) . . can anyone enlighten > me about the problem? At a first glance it seems that the remote site is misconfigured, the server does not permit relaying for beyondfederation.org.au without having to do SMTP authentication first. You should try to contact the owner(s) of that domain and give them as much information as possible, such as what are your customers trying to do, what is the SMTP error they're getting and when (approximately) the problem started. -- Adi Pircalabu
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