latixns on "[Plugin: Postman SMTP Mailer/Email Log] UpiCRM not sending emails with POSTMAN SMTP"

Hello,

I'm having the following issue:

For some reason my PHP Mailer got blocked after sending lots of UpiCRM notifications. This is the UpiCRM Plugin: https://wordpress.org/plugins/upi-crm-universal-crm-solution/

For that reason I decided to use POSTMAN SMTP Plugin and all other issues with PHP mailer got fixed but UpiCRM continues without sending notifications again.

Anyone has an idea or how can I unlock my PHP mailer service?

https://wordpress.org/plugins/postman-smtp/