* Amira Othman <a.oth...@cairosource.com>:
> Hi all
> 
> I was checking postfix maillog and I found something strange in it
> 
> from=<>, size=4794, nrcpt=1 (queue active)

It's a bounce
 
> Oct 31 12:22:36 mailserver postfix/smtp[24079]: connect to 
> smtp.icom.com[64.224.110.142]: Connection timed out (port 25)
> 
> Oct 31 12:22:36 mailserver postfix/smtp[24079]: ED0466E68594: 
> to=<r...@lmrs.net>, relay=none, delay=47406, delays=47385/0.02/21/0,
> dsn=4.4.1, status=deferred (connect to smtp.icom.com[64.224.110.142]: 
> Connection timed out)
> 
>  
> 
> Is this normal to appear in my log file 

Yes

> or it must be denied as it is from <> (what does this mean??)

It's a bounce (a non delivery report)

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebra...@charite.de | http://www.charite.de
            

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