Hi Helmut,

For item 1, your server is not successfully completing the reverse dns lookup of your host.� With Exim4U 3.1.0, its on line 63 in exim.conf as follows:

MY_IP = ${lookup dnsdb{a=$smtp_active_hostname}}

This most likely is happening because your ISP's name servers are temporarily unavailable. If this happens alot then you should complain loudly to the ISP that hosts your IP address.� If this problem persists often on an installation which is ***not*** using multi-ip then you can hard code your IP address into this statement to avoid the reverse lookup but that is merely an industrial strength band aid.� Your ISP should get an earful about their servers that perform reverse lookups being unavailable.� I have seen this before but it is generally very rare with most ISP hosting companies.

For item 2, I have no idea what is going on.� I would need more info and log data, etc. to proffer a guess.

Gordon

On 07/11/2016 03:47 PM, Helmut Fritz wrote:

Guys,

1.�� I have a lot of these type of messages in my mainlog:

�

H=(mx.sendinghost.com) [xxx.xxx.xxx.xxx] Warning: ACL "warn" statement skipped: condition test deferred: failed to expand ACL string "${lookup dnsdb{a=$smtp_active_hostname}}": lookup of "a=my.host.com" gave DEFER:

�

I am trying to look through the configs to see if I can determine where and why I am getting these.

�

Are they a cause for any real concer?� What causes them and can it be recified?

�

I am not running a multi-ip host, but do host multiple virtual domains.

�

2.�� I am not sure if it is related (I think not), but I also get messages that correspond with the sending host that is in some of the above messages but the emails do NOT seem to come through to the users mailbox.� I (think I) do see the actual emails in the /var/spool/exim/scan directory though.� The only thing I find in the logs is this message:

�

1b4BZC-0005p9-Ek H= mx.sendinghost.com [xxx.xxx.xxx.xxx] Warning: spam-score-int: 1 (/). spamreject: 990.

�

Any help, ideas or thoughts would be welcome.� I did a google search that did not seem to provide an useful help.

�

Thx.

�

Helmut

�

P.S. not yet updated to latest release of exim4u.

�

�
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