Thread Info
  • State Not Answered
  • Locked Locked
  • Replies 19 replies
  • Subscribers 1 subscriber
  • Views 21833 views
  • Users 0 members are here
Options
Suggested
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

failed to expand ACL string

derlekker
My SMTP-Proxy (Sophos UTM 9.004-34) logs sometimes the following log:

2013-01-10 11:37:15 H=(mx.proventhotels.com) [87.193.188.120]:35564 temporarily rejected MAIL : failed to expand ACL string "${lookup dnsdb {>\n; txt= $sender_address_domain}}": lookup of "ptr=87.193.188.120">

I have check the RNDS-Entry; everything is ok; DNS and ptr of the host;
but my astaro this message! I don't unterstand why?

I can diable "do strict RDNS checks" but is this the solution?

Can i clear a spezial database with the ptr entries?
Is this a bug? 

Have anyone a idea?

Thanks


This thread was automatically locked due to age.
Parents
  • 0
    I remember this.  I think disabling the strict rDNS check fixes it, but I wonder if there wasn't a temporary problem with DNS.  Did the issue continue?  Did disabling strict rDNS help?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • 0
    I remember this.  I think disabling the strict rDNS check fixes it, but I wonder if there wasn't a temporary problem with DNS.  Did the issue continue?  Did disabling strict rDNS help?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Children
No Data
Unfiltered HTML