

In order for GFI MailEssentials to process such messages, they need to be converted into the MIME email format first. In the TNEF2MIME.gfi_log.txt file, the following error message is logged: This article provides the resolution to an issue where large emails sent on a Microsoft Exchange server are not being delivered, and instead, they are moved to the EmailSecurity or the AntiSpam FailedMails folder.

This is often an indication that other memory is corrupt." The Attendant service is crashingdue to libspam.dll : "Error details: System.AccessViolationException: Attempted to read or write protected memory.The Patch installer tries to stop and then start GFI and dependent services which are either already stopped or disabled, then fails to install patch.Microsoft Exchange Transport Service Does Not Start After Update.Backend or Attendant Service Cannot Be Started After Upgrade from GFI MailEssentials 2014 to 2015.When GFI MailEssentials is in local mode (Cassini), services fail to remain started.Services Are in Use Message While Upgrading.Verify that you have sufficient privileges to remove system services." "Error 1922.Service GFI MailEssentials Attendant (gfimesattendant) could not be deleted.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. 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. AnswerGFI MailEssentials Greylist works by temporarily rejecting every email received which contains a unique triplet.
