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I have an email server (Dovecot) and I want to emails be sent from other servers to a different IMAP port, because I can't use the ports 465 and 993

If someone could help me doing this, I would appreciate

Correction: actually i wrote it wrong, i want the server that's sending the email (e.g.: gmail) to my server use another port instead of 465/993 to my server receive the email

brokenPipe
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    Email servers don't send email using IMAP, they send email using SMTP. IMAP is a "client" protocol used by email clients to retrieve and read email. – joeqwerty Dec 13 '22 at 00:16
  • @joeqwerty actually i wrote it wrong, i want the server that's sending the email (e.g.: gmail) to my server use another port instead of 465/993 to my server receive the email – brokenPipe Dec 13 '22 at 00:24
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    SMTP uses port 25. Not 465 or 993. – vidarlo Dec 13 '22 at 07:02

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That is just not possible. There is no mechanism that could tell other servers what port to use for SMTP.

Gerald Schneider
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