SPF: Difference between revisions
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#https://www.heinlein-support.de/blog/news/gmx-de-und-web-de-haben-mail-rejects-durch-spf | #https://www.heinlein-support.de/blog/news/gmx-de-und-web-de-haben-mail-rejects-durch-spf | ||
https://serverfault.com/questions/1145110/should-helo-mailfrom-and-from-use-the-same-domain |