SendGrid to sunset Web API access via port 80

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I successfully run WP Mail SMTP with Sendgrid since a couple month. These days Sendgrid contacted me via email to let me know that they are sunsetting API access via port 80. Furthermore they are writing that I used this port up until know and that I should change to HTTPS Port 443 by October 1st.

As I’m having a standard Sendgrid integration with WP Mail SMT, I’m wondering if this is something that I can solve or it requires the plugin to be updated by you, to avoid interruptions in email delivery.

Thanks in advance for the support!