On 02/06/2023 03:02 AM, Mark Alley via mailop wrote: > Per their instructions here: > https://www.ionos.com/help/domains/configuring-mail-servers-and-other-related-records/using-an-spf-record-to-prevent-spam/ > > Just add these to your SPF record like so. > > v=spf1 a mx include:_spf.perfora.net <http://spf.perfora.net> > include:_spf.kundenserver.de <http://spf.kundenserver.de> ~all > > You probably don't need the MX mechanism given they publish a different > subnet in SPF for their sending MTAs, but feel free to verify by testing if > you remove it. > > To your original question about IP addresses, the ip4 mechanism allows for > singular IP addresses as well as CIDR format to add subnets. (i.e. > ip4:74.208.4.192/26 <http://74.208.4.192/26>) But you don't need to do this, > as this subnet is covered by the SPF record includes above provided by IONOS. > > Thanks, > > Mark Alley > > On Sun, Feb 5, 2023, 6:44 PM H via mailop <mailop@mailop.org > <mailto:mailop@mailop.org>> wrote: > > I have a domain with multiple email addresses hosted by Ionos. I have > found that outgoing emails can come from a range of Ionos email IPs. > > I have created a TXT record for my domain containing one IP4 address but > outgoing emails seem to be sent from different IP4 addresses. As an example I > now have: > > v=spf1 a mx ip4:74.208.4.194 ~all > > I know I can add at least one more ip4 address using the same format but > I am not sure exactly what the Ionos email ip range might be so: > > - Is there a way of saying eg. ip4:72.20.8.* > > - Or should I delete the ip4 component and instead add: > > include:mydomain.tld (corrected of course) > > Suggestions appreciated! > > Thanks. > > _______________________________________________ > mailop mailing list > mailop@mailop.org <mailto:mailop@mailop.org> > https://list.mailop.org/listinfo/mailop > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop
Thank you, see my reply using the US Ionos configuration.
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