Check if port (25 is used for example) is opened.
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curl –vv telnet://DestinationServerName:25 |
Example of command to send e-mail using curl. More parameters and information can be found here: https://everything.curl.dev/usingcurl/smtp
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curl smtp://mail.example.com –mail-from myself@example.com –mail-rcpt receiver@example.com –upload-file email.txt |
Creating Example.txt (using vi editor).
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$ vi filename.txt # vi (vee eye) editor opens in “command mode” # type i to go into “insert mode”, to edit the file. # type esc once done with editing to exit “insert mode” and back into “command mode” # to save, type wq in “command mode” to write and quit. |
An example of (Example.txt)
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From: John Smith <john@domain.com> To: Joe Smith <smith@domain.com> Subject: test example email Date: Wed, 12 Dec 2021 12:35:34 test email |
Sorry! The Author has not filled his profile.