OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange emails with other systems speaking the SMTP protocol. It is installed as part of OpenBSD and is enabled by default or is available in a portable format.
Questions tagged [opensmtpd]
18 questions
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How to hide/remove original source IP address when using OpenSMTPD?
I'm trying to figure out how to remove/hide the originating source IP address of every mail being sent using OpenSMTPD?
To do the equivalent in postfix, it would…

ikevin8me
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smtp: SSL_CTX_load_verify_locations: No such file or directory
Debian GNU/Linux 11.4 (bullseye), Linux 5.10.0-17-amd64
Installed OpenSMTPD 6.8.0p2-3 amd64 (including opensmtpd-extras 6.7.1-2 amd64) and tried to test sending a mail, but every smtp call (except smtp -h) results in this error message:
~# smtp…

Stefan
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Opensmtpd can relay mail from a list to any domain?
My company briefly like this
I have 1500 IP addresses SMTP source and Exchange 2016 (Behind KEMP LB)
Due to LB topology, my anonymous SMTP relay receive connector scopes store on Exchange server. Now I can control anon. SMTP relay traffic by using…

Tevfik Ceydeliler
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