[exim] Lack of demime support in latest verstion + more.

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Autor: kamil kapturkiewicz
Data:  
A: exim-users
Assumpte: [exim] Lack of demime support in latest verstion + more.
Hi,
I recently upgraded Exim to 4.88 and had to comment out part of configuration (demime):

acl_check_data:

##  deny  message       = $found_extension files are not accepted here  
##        demime                = com:exe:vbs:bat:pif:reg:scr


##  deny  message       = Serious MIME defect detected ($demime_reason).
##      demime          = *
##      condition       = ${if >{$demime_errorlevel}{2}{1}{0}}


deny  message         = This message contains a virus ($malware_name) and is rejected.
        log_message     = rejected VIRUS ($malware_name) from $sender_address to $recipients (ClamAV)
        set acl_m0      = clamd:/tmp/clamd.socket
        condition       = ${if < {$message_size}{VIRUS_FILESIZE_LIMIT}}
##     demime          = *
        malware         = *


How can I bring back this functionality?

I have another problem with blocking spamers with no rev DNS. I have added to my configuration:

acl_check_rcpt:

accept hosts = :

  deny message = Broken Reverse DNS no host name found for IP address $sender_host_address
        condition = ${if and\
        {{def:sender_host_address}\
        {!def:sender_host_name}}\
        {yes}{no}}


It generally works, but it also refuse sending emails from authenticated users. Where I should move this to allow sending emails for authenticated users regardless of their rev DNS status?

brgds,