× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.



Hello Jack,

Am 21.09.2022 um 15:26 schrieb Jack Woehr via MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>:

By default, SNDSMTPEMM sends your email From:
you@yourbox.yourdomain.whatever
Subdomains in From: addresses is a no-no with modern SMTP servers.

This is *wrong*.

If you have set up your external DNS server properly with consistent A, AAAA, and PTR records, as well as an SPF TXT entry, you can send and receive mail from whatever FQDN you like.

If that FQDN is an internal server which needs to send out mail, that name might not be published in public DNS and is rightfully rejected. Then a MX entry is added for that name, to the internet facing gateway, being configured to deliver incoming mail properly, such as bounces for undeliverable mail.

Lately, it's "modern" to send mail with no-reply@ and throw away incoming mail to there, but with this, people throw away diagnostic messages also.

:wq! PoC




As an Amazon Associate we earn from qualifying purchases.

This thread ...

Replies:

Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2023 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.