Postfix port 25 issue

ITbody edited this page Oct 3, 2018 · 1 revision

how can i fix port 25 issue with postfix, My ISP is blocking port 25 which got me in trouble with my inbound outbound email. I configured port 587 but still not gonna work, when i send outbound email it use port 25 bydefault then do not let me out of my ISP router..

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