Margrit Lottmann URZ-N <[EMAIL PROTECTED]> (Mi 29 Aug 2007 09:32:53 CEST): > A great mail provider "r-online.de" > doesn't allow since yesterday our verify procedure for sender checking: > > here our configure part: > > deny message = $acl_verify_message > sender_domains = ! partial-dbm;DBM/etc/always_accepted_senders > !hosts = +relay_hosts > !verify = sender/callout=60s,defer_ok > > > and now 1 error message: > > host mail.uni-magdeburg.de [141.44.1.10]: 550-Callback setup failed while > verifying <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> > 550-(result of an earlier callout reused). > 550-The initial connection, or a HELO or MAIL FROM:<> command was > 550-rejected. Refusing MAIL FROM:<> does not help fight spam, disregards > 550-RFC requirements, and stops you from receiving standard bounce > 550-messages. This host does not accept mail from domains whose servers > 550-refuse bounces. > 550 Sender verify failed >
Hm - I can't confirm this. Today we got 81 messages from t-online senders, yesterday 95. *And* we're ussing sender callouts. Where do go get this error message from? Somehow the <mailto:...> looks strange, somehow I'm not sure it's normally there. Obfuscating doesn't help, so I can't check the address. -- HS
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