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server smtp service - smtp service - 19. My ISP blocks outgoing mail on port 25. What can I do?

FAQ

19. My ISP blocks outgoing mail on port 25. What can I do?

In case port 25 (the default port for SMTP) is blocked you can choose an alternate port. We suggest to use port 587 or 2525 for plain SMTP, and port 465 or 25025 when using SMTP with SSL.

port for SMTP

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