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I am following this solution Exim4 - temporarily freeze outgoing emails from specific user (

I am able to get email freeze from specific sender, but only when I send it from console through "telnet 25". Solution is not working when I send emails from Horde/Roundcube and any Desktop Client.

Please guide me where I am doing wrong ?

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You need to add the acl_not_smtp acl

acl_not_smtp = acl_not_smtp

Then create the rule under that acl

   accept   condition = ${lookup{$sender_address}lsearch{/etc/exim/freezelist_sender_addresses}{1}{0}}
         control   = freeze/no_tell
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