Re: [exim] Help with empty sender_domains being rejected whe…

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Author: paul.mcilfatrick
Date:  
To: exim-users
Subject: Re: [exim] Help with empty sender_domains being rejected when checking a domains whitelist file
>>> # Deny e-mail with no sender address.
>>>  deny    condition     = ${if eq {${strlen:$sender_address}} {0}}
>>>          message       = E-mail with '$sender_address' as sender address!
>>>          logwrite      = E-mail with '$sender_address' as sender address - 'mime' acl deny!


>> Is there a good reason why that stanza exists in your configuration? As
>> you've discovered, it'll outright reject well-formed bounces / NDRs.


> You definitely don't want to do that before DATA, since it'll mean that you can't deliver to sites that perform sender verification callouts.


>> (Also, the use of $sender_address in the messages is a tad redundant
>> given you've confirmed it to be zero-length :) )


The above check for no sender address has now been removed.

As I said in my original post, I am a part-time Exim admin who inherited the system and I tinker with it occasionally.

I admit my understanding of Exim and SMTP is limited so thank you for your help.


Thanks again


Paul McIlfatrick