Changing the colors in Vim so it looks better in PuTTY. I live with this usually (as I don’t spend much time in Linux nowadays) until I Googled today and found an easy fix for this. Thanks to this post: “:color desert” (where desert is an example color).
Testing SSL in SMTP (thanks to):
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openssl s_client -connect mail.example1.hu:25 -starttls smtp |
That link is a good reference on Postfix SSL too.