Debug your IMAP server with Telnet
Email by IMAP rocks – there are so many benefits to using it over POP3, particularly in an office environment. However many IMAP clients really suck when it comes to manipulating accounts with large messages. We recently watched a server brought to it’s knees during a email server migration – by an 165MB email containing wedding pictures that someone had decided to forward throughout the network!
At that stage you are better off talking directly to your email server with Telnet.
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