
GFI MailEssentials supports a number of mail servers but can only be installed on the same. This would mean that if 1 out of 10 recipients is part of an unknown triplet, the full email will be rejected, so the authorized triplets will not receive the email as well until it is retried. Any email that fails a spam filter check is processed as con. An advanced feature can set GFI MailEssentials greylist to only allow emails with multiple recipients if all triplets are authorized. When receiving an email with multiple recipients, GFI MailEssentials greylist will form a triplet for each of the recipients included in the email.īy default, GFI MailEssentials Greylist would allow an email through if at least one of the triplets is authorized. Once the triplet is received again after a number of minutes, GFI MailEssentials greylist will authorize the triplet, thus not rejecting it again. The triplet consists of the sender SMTP server's IP address, the sender email address and the recipient email address. For more information refer to Installing on an email gateway or relay/perimeter server.AnswerGFI MailEssentials Greylist works by temporarily rejecting every email received which contains a unique triplet.

This may also be caused by a bad registration of the GFI AV Scan Engine service in the Windows Registry. For more information refer to SMTP Virtual Server bindings. Root Cause When upgrading to GFI MailEssentials 2015, a registry key is left behind that causes the above errors in the GfiAvRoutingAgent logs.

For more information refer to Local domains. GFI MailEssentials needs the domain to be listed under Local Domains to be scanned.The cause is typically a misconfiguration of the sources of emails that should be scanned by GFI MailEssentials. Dashboard shows only inbound or only outbound emails are being processed.Dashboard shows no email is being processed at all.This issue can present two different symptoms:

Dashboard shows no email is being processed Issue encountered Overview Large emails sent on a Microsoft Exchange server are not being delivered, and are instead moved to the EmailSecurity or the AntiSpam FailedMails folders.
