☩ Walking in Light with Christ – Faith, Computing, Diary

Comment on What causes the “421 Cannot connect to SMTP server” error and a quick work around by Jean-Claude.

This is not an ISP filtering issue, as connecting via telnet shows that you have the needed connection.

If you were unable to connect, then you could call this an ISP issue, otherwise, it’s hard to say that once your connected, and ISP is blocking your connection.

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