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Grabsteinschubser

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Hi,

is there a way to find out what mail client tries to log in? In the security log I can see an ex-employee tries to start an smtp session:

[14/Apr/2014 11:18:23] SMTP: Authentication failed for user xxx. Attempt from IP address xx.xx.xx.xx. External authentication service rejected authentication due to invalid password or authentication restriction.
[14/Apr/2014 11:18:29] Failed SMTP login from xx.xx.xx.xx with SASL method PLAIN.

I talked to him but he says he had deleted his mail-account from all devices. Can I find out which mail client (e.g. user-agent) causes this problem so I can fix this with him?

Thank you!
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clan

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The SMTP dialog has no user agent identification. You could try to find out which provider the IP address belongs to, which in turn may point to a device.
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Grabsteinschubser

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I did see this coming... ok, thanks Smile
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