User Unknown - more than 1700 trys for one recipient

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zillo
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User Unknown - more than 1700 trys for one recipient

Post by zillo » Mon Apr 21, 2008 2:24 pm

Hello,

we got the problem that unknown recipients are more than hundreds of trys from sendmail have the status "User unknown". But the bouncemanagement doesn't identify them as a bounce. So we got a very bad performance for sending the well adresses. About 3 days for 60.000 adresses.

for example, one case of hundred of sending-trys reported from our logfile:

Apr 21 14:11:06 openemm sendmail[21602]: 0000170000000E035: to=<karin.xxxx@xxxbag.de>, delay=1+21:09:04, xdelay=00:00:00, mailer=esmtp, pri=176040000, relay=mail.arcor-ip.de. [145.253.2.14], dsn=4.2.0, stat=Deferred: 450 <karin.xxxx@xxxbag.de>: Recipient address rejected: undeliverable address: host 145.2...0[145.253.2.10] said: 550 RCPT TO:<karin.xxx@xxxbag.de> User unknown (in reply to RCPT TO command) - 1775 trys

What can I do to get it identified from the open emm bouncemanagement.

thanx for help

zillo