Posted by Ralf Hildebrandt on 8 December 2011 | 0 Comments
Tags:
Cisco,
sux,
DKIM,
Postfix
site which was using Postfix and a CISCO ASA with "smtp protocol
fixup" enabled.
I was able to work around the delivery problems by stripping the DKIM
headers on outgoing mails (as so often).
Some interesting info got out:
I've also discussed these results with local Cisco support and they
confirmed it's a known bug (not published) with DKIM and smtp inspection
engine in latest IOS versions.
This should be fixed in some newer IOS version (8.4(10)) which is not
public yet (latest is 8.4(2)).
Over the last few days I discussed SMTP delivery problems with a czech site which was using Postfix and a CISCO ASA with "smtp protocol fixup" enabled.
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Posted by Ralf Hildebrandt on 20 June 2011 | 0 Comments
Tags:
Cisco,
sux,
DKIM,
Postfix
CISCOS's firewalls, predominantly the PIX and ASA have a feature called "smtp protocol fixup".
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Posted by Ralf Hildebrandt on 2 June 2011 | 0 Comments
Tags:
postfix,
postscreen,
fail2ban
fail2ban doesn't work properly with the new postscreen log entries, since those are different from the ones smtpd is generating.
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Posted by Ralf Hildebrandt on 30 May 2011 | 0 Comments
Tags:
nokia,
fail,
lost in translation
Heute kam Peter mit seinem Handy rum, und wollte Eduroam konfiguriert haben.
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Posted by Ralf Hildebrandt on 30 May 2011 | 0 Comments
Tags:
congstar,
fail,
smartmobile,
win
Ich habe gestern eine Analyse von Constanzes Handyverhalten gemacht und festgestellt, daß wir mit einem Wechsel des Anbieters von 40,- pro Monat auf 10,- Monat fallen UND eine Internet-Flat dazukriegen. Die, Congstar, die!
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Posted by Ralf Hildebrandt on 29 May 2011 | 0 Comments
Tags:
Nokia,
fail,
maps
Der Hirnboy-Preis der Woche geht an: Nokia, für Nokia Maps. Bzw. die geniale Idee, eine Map via WLAN herunterladen zu können, um sie später offline nutzen zu können.
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Posted by Ralf Hildebrandt on 14 May 2011 | 0 Comments
Tags:
linuxtag,
phish,
otrs,
inovex
Gestern war ich auf dem Linuxtag 2011 um meinen Vortrag über die Neuerungen in Postfix 2.8 zu halten. Hinterher wurde ich von einem inovex Mitarbeiter auf deren Stand eingeladen; dort hatten wir einen kurzen Blick auf die Postfix Installation eines großen Kunden geworfen. Der hat ein Performanceproblem welches voraussichtlich durch Postfix 2.8 zu beheben sein dürfte.
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Posted by Ralf Hildebrandt on 2 April 2011 | 0 Comments
Tags:
android,
rules
I bought a HTC Desire and installed the most recent Oxygen release on it. This is a significant improvement over the look and feel of Symbian on my old Music Express 5800.
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Posted by Ralf Hildebrandt on 21 March 2011 | 0 Comments
Tags:
fail,
epic,
cname,
microsoft
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Posted by Ralf Hildebrandt on 9 March 2011 | 1 Comments
Tags:
openvpn2 cookbook,
book,
rules,
openvpn
I spent the last year reading the OpenVPN 2 Cookbook chapters and reporting proposed changes back to the author.
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