logwatch and imap

[Joe Mc Cool <joe@benburb.demon.co.uk>]

Please,

logwatch is reporting:

>  --------------------- IMAP Begin ------------------------ 
> 
> 
> [IMAPd] Connections:
> =========================
>                                   Host | Connections |    SSL   |   Total  
> -------------------------------------- | ----------- | -------- | ---------
>                         62.194.153.108 |           1 |        0 |         1
>                           69.43.178.11 |           1 |        0 |         1
> ---------------------------------------------------------------------------
>                                                    2 |        0 |         2
> 
> 
> 
> **Unmatched Entries**
>    Command stream end of file, while reading line user=??? host=[69.43.178.11]: 1 Time(s)
>    Null command before authentication host=h153108.upc-h.chello.nl [62.194.153.108]: 2 Time(s)
> 
>  ---------------------- IMAP End ------------------------- 

But, AFAIK, I am not using imap.  Certainly ps -ef | grep imap
displays nothing.  The reported ip addresses mean nothing to me.

Is my system being exploited in some way ?

Thanks

Joe