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How long does greylist keeps the whitelist and blacklist I did a research on this subject but did find any information. I looked into sqlgrey.conf, but did not find anything neither concerning those parameters.

What does it mean when under "email addresses", the columns "sender name" and "sender domain" have "-undef-"? Does it mean that whatever will be sent by that IP address will be accepted? But the domain will never be put under "Domains"?

I am also testing Proxmox Mail Gateway, which uses postscreen, that presently blocks everything with error 550! Still did not figure out why.
I could give it a try with eFa. I do like greylisting, it is truely stopping many old timers spams. Newer spams are now using properly configured server with ...

Yes, but this is helpful with domains having only one server, using the same PTR as email domain, the ones having more or a different name, I will not be able to whitelist by the domain name only. So I am unsure what to do from here; disable greylisting completely or using another one...

My ...

I finally found how it works! It is the PTR of the IP address the connection is made from that has to be whitelisted in the clients_fqdn_whitelist files of greylist, the "ehlo" name or email address used in "mail from:" do not matter

I forgot to mention I did that, and I redid it just in case, which removed my entry in the clients_fqdn_whitelist and left the one in the clients_fqdn_whitelist.local, but it still does not work.
It is like greylist ignores those files completely.

Hello,

I have a new install of eFa 4. I'm trying to put a list of domains and email addresses in greylisting whitelist, but I am not successful.

I tried putting one domain to test in the file clients_fqdn_whitelist.local and then in clients_fqdn_whitelist, restarting the sqlgrey service every time ...

Hello there!

I am evaluating eFa, to replace two ASSP servers, which have too many false positive and false negative, which makes me check every day to properly sort the emails in its directories.

I would like to find a server that would require less maintenance once properly setup and I've read ...