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Thread: Large volume of mail

  1. #1
    Join Date
    Oct 2006
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    Default Large volume of mail

    I notice a spike in the graph:
    Number of recipients of messages via either SMTP or LMTP.
    The graph is basically flat-lined at 400-450 every hour, except for 1 hour during the day, and this varies, not always the same hour, I see a spike that shows we sent 2000-3000 emails during that hour?
    What log can I look at to see what these may be? I checked mail.log but do not see that many. but do see this entry which seems like it might have something to do with it:
    Jul 21 10:25:31 zmail5 postfix/anvil[4763]: statistics: max connection rate 1/60s for (smtp:108.62.112.110) at Jul 21 10:18:26
    Jul 21 10:25:31 zmail5 postfix/anvil[4763]: statistics: max connection count 1 for (smtp:108.62.112.110) at Jul 21 10:18:26
    Jul 21 10:25:31 zmail5 postfix/anvil[4763]: statistics: max cache size 2 at Jul 21 10:18:38
    maybe?

  2. #2
    Join Date
    Jun 2011
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    Default

    i would like to revive this as i have seen the exact same type of cases.
    i would like to add that in my instance several lines above stated log i also get a block from the same ip on spamhaus rbl.
    May 21 17:09:57 mail postfix/smtpd[16891]: connect from 66-118-151-30.static.sagonet.net[66.118.151.30]
    May 21 17:09:57 mail postfix/smtpd[16891]: NOQUEUE: reject: RCPT from 66-118-151-30.static.sagonet.net[66.118.151.30]: 554 5.7.1 Service unavailable; Client host [66.118.151.30] blocked using zen.spamhaus.org; http://www.spamhaus.org/query/bl?ip=66.118.151.30 / The Spamhaus Project - CSS from=<Alexandra@remote.epdmo-rings.com> to=<MY EMAIL ADDRESS REMOVED> proto=ESMTP helo=<remote.epdmo-rings.com>
    May 21 17:09:59 mail postfix/smtpd[16891]: disconnect from 66-118-151-30.static.sagonet.net[66.118.151.30]


    is zimbra still processing mail that should be dropped due to rbl block?
    Last edited by meuchel; 05-22-2012 at 09:01 AM. Reason: remove email address

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