IMAP, POP3 configurations, SMTP server-client communication
Overview You are working with a partner from which you plan to fetch emails and you want to know if there will be any interference with their backup solution that reads emails via IMAP. As a result, y...
Overview SMTP Conversations are the method used by Mail Servers to negotiate a connection while delivering email using the SMTP protocol. There is a back and forth exchange of information which helps ...
Overview You are experiencing an issue with messages stuck within the message queue with a status of “541 4.4.4 Temporary Server Error” for messages to O365 users. This issue impacts all users on your...
Overview This article explains how to troubleshoot issues with outbound email delivery correctly. Common symptoms related to these issues are: Unable to send Email from SMTP Server with the error “Res...
Overview Users of Kerio Connect who relay emails from 3rd party systems via direct SMTP authentication from local accounts may encounter a challenge when trying to keep a local copy of all emails sent...
