Are you on DigitalOcean? They are known to block outbound mail ports on new servers, particularly on new accounts.
Reach out to them to get it unblocked if so, but use 587 if possible! 465 was revoked by the IETF years ago.
Are you on DigitalOcean? They are known to block outbound mail ports on new servers, particularly on new accounts.
Reach out to them to get it unblocked if so, but use 587 if possible! 465 was revoked by the IETF years ago.