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Do I need to disable standard ports to enable SSL/TLS?
Question asked by David Short - 12/3/2019 at 10:05 AM
Answered
I am configuring the mail server to support TLS and SSL.  Do I therefore need to disable the existing ports that do not use encryption after I configure the related ports for TLS/SSL?  ie.  I setup port 25 for SMTP using SSL/TLS with a certificate.  Do I need to remove the original SMTP port 25 or do they coexist?

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Linda Pagillo Replied
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Hi David. Please see a previous thread where I chimed in with the answer to your question... https://portal.smartertools.com/community/a92526/is-it-possible-to-use-imap-on-port-143-with-tls-and-also-without-on-the-same-ip.aspx
I hope this helps :)
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Authorized SmarterTools Reseller
Authorized Message Sniffer Reseller
 
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David Short Replied
Great thanks for the information.  I was wondering because my mxtoolbox lookup indicates that the server does not support TLS.  Do you have any advice on how to troubleshoot this?

Thanks again!

David
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Linda Pagillo Replied
David, can you show me a copy of that lookup from MXToolbox?
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Authorized SmarterTools Reseller
Authorized Message Sniffer Reseller
 

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