27 Jun
2012
27 Jun
'12
4:43 p.m.
Götz Reinicke wrote:
Am 27.06.12 16:08, schrieb Tilman Schmidt:
Am 27.06.2012 11:15, schrieb Götz Reinicke:
Am 27.06.12 10:29, schrieb Fajar Priyanto:
- Many malware have their own smtp and can send spam directly.
To overcome this, block port tcp 25 on your gateway, and only allow your mailserver.
Hi, thanks for your suggestion. But for the mentioned clients thats not possible. :/ [...]
<snip>
you dont know the resistant to advice of our users .... ;)
<snip>
Long story short: I advised the use of port 587 two hours ago.
FYI since than I had 169 outgoing connections to port 25 and 1 to 587. :)
cheers . Götz fighting spam and resistant to advice
Hey, give 'em a chance. See what it's like after 24 hours. I suppose then you could tell them it's a lottery, and you'll select random users to kick off port 25....
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