 | 1 | initial version |
Take a capture with Wireshark and then filter with tcp.port == 25. That should show you any SMTP traffic.
| | 2 | No.2 Revision |
Take a capture with Wireshark and then filter with tcp.port == 25. That should show you any SMTP traffic.
Edit: @grahamb is correct here. I should have specified that you would need to take this capture on the upstream device, whichever that is. Without some networking/IT background, this will be difficult for you to accomplish
If you are not versed in networking / IT, you may want to talk to a friend or hire a consultant, as getting your internet access back will likely require hands-on expertise.
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