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spamhaus.org is blocking our IP because we use multiple unrelated HELO values

spamhaus.org is blocking our IP because we send mail using multiples domain names from a single IP. The message is A device (computer, server, mobile phone, etc), or an app on a device that is using ...
Jean's user avatar
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2 votes
1 answer
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How to prevent email forwarded by exim from being seen as spam

I have recently started to look after a mail system where users can host their email with a web mail front end. One of the features provided is a function to set up forwarding. The problem I am ...
VagrantPaladin's user avatar