easy switch from Postman SMTP

I switched over, following the instructions here:
https://wordpress.org/support/topic/upgrade-procedure-from-postman-smtp/
All previous settings and connection to gmail were retained, no problems! I was happy with Postman SMTP for several years, and now Post SMTP seems to be the plugin of choice for reliable email out of wordpress.