Re: [exim] [mailop] T-Online is now really blocking messages…

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Author: Lena
Date:  
To: mailop
CC: exim-users
Subject: Re: [exim] [mailop] T-Online is now really blocking messages from non-commercial and simliar senders
> T-Online clearly states in their terms and conditions that they will
> block servers who perform sender verfication towards them.


Then a different check:

 deny condition = ${if or{\
    {eqi{$sender_address_domain}{t-online.de}}\
.ifdef _HAVE_LOOKUP_DNSDB
    {forany{${lookup dnsdb{>: defer_never,mxh=$sender_address_domain}}}\
           {match{$item}{\N^mx\d+\.t-online\.de$\N}}}\
.endif
               }}
  condition = ${if match{${readsocket{inet:\
.ifdef _HAVE_LOOKUP_DNSDB
    ${reduce{${lookup dnsdb{>: defer_never,mxh=$sender_address_domain}}}\
            {}{$item}}\
.else
    mx00.t-online.de\
.endif
    :25}{}{2s}}}{^554 IP=}}
  message = We checked that $sender_address_domain blocks us. \
    So we do not accept a message we cannot reply to.
# The server admin may change "deny" to "warn" and
# "message =" to "control = fakereject/"
# but few admins will want that (or notice and bother).