Bob Proulx: Instead of Forward-Reverse-DNS matching the newer Best Practice is to set up SPF, DKIM, DMARC for your own outgoing mail and other anti-abuse for incoming mail.
On 11.02.21 12:32, Eugene Podshivalov wrote:
Is it safe enough nowadays to drop dmarc failed incoming mail with opendmarc?
yes, however that has nothing to do with helo. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. Depression is merely anger without enthusiasm.
