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No longer able to send mails from Mac MAIL
Question asked by Ron Kessler - 3/24/2025 at 2:10 AM
Unanswered
I am using SM 16.x. Until now I have had no major problems. 
I can send mails using my the email address my ISP assigned to me but for some reason can no longer send mail for my domains hosted on my server which uses SM 16.x.
I am able to send webmail but I can no longer send from my desktop computers.
The settings for my ISP's mail address is port 465 with TLS/SSL and MD5 Challenge-Response.
Does anyone have any suggestions on troubleshooting this problem?
Than you.
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