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port 587

  1. Z

    Issue Blocked ports 25-587

    I have a Plesk panel and recently migrated to a new data center (DC) from Contabo. I imported the websites using the import tool, but there are some issues, such as not being able to send or receive emails. I contacted the DC, and they enabled all ports as “any.” Within Plesk Firewall, I...
  2. sergiomb

    Resolved change smtp default port to 587 in autodiscover.xml

    I want to advertise the submission port (SMTP with STARTTLS and authentication, port 587) instead of SMTP via SSL (port 465). Reason: port 587 is the standard, port 465 is not RFC compliant. in /usr/local/psa/admin/conf/panel.ini I put this [mail] clientConfig.incomingServer="mail.<domain>"...
  3. E

    Question About ports 465 and 587

    About this image: If I open port 587, will port 465 stop working? Or will both ports be available and can I use either port as needed? If I change to port 587, will I have to reconfigure my email managers later? About this picture: It will automatically change this setting and I won't have...
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