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Groups > linux.debian.user > #236943
| From | John Hasler <john@sugarbit.com> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: the Amazing Poly |
| Date | 2021-07-06 00:10 +0200 |
| Message-ID | <CxEWR-50H-9@gated-at.bofh.it> (permalink) |
| References | <CvJR0-3fP-5@gated-at.bofh.it> <CxATf-2jK-1@gated-at.bofh.it> <CxBcC-2J4-3@gated-at.bofh.it> <CxBZ0-312-7@gated-at.bofh.it> <CxCil-3ng-3@gated-at.bofh.it> |
| Organization | Dancing Horse Hill |
ellanios82 writes: > It's a pretty common requirement, as at one time it was the second > best spam defence (after accepting mail only for named users). Not so > good now that many ISPs are providing some kind of PTR record. Some ISPs try to provide a single record for a group of their dynamic IPs. They bungle so that lookups fail for some IPs. And then some email providers apply that test to their own customers, *even after they have authenticated*. Hilarity ensues. Then there is "probing" the domain in the "From:" line... -- John Hasler john@sugarbit.com Elmwood, WI USA
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re: the Amazing Poly ellanios82 <ellanios82@gmail.com> - 2021-06-30 17:00 +0200
Re: the Amazing Poly <tomas@tuxteam.de> - 2021-06-30 17:10 +0200
Re: the Amazing Poly Cindy Sue Causey <butterflybytes@gmail.com> - 2021-06-30 17:20 +0200
Re: the Amazing Poly Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-06-30 17:20 +0200
re: the Amazing Poly ellanios82 <ellanios82@gmail.com> - 2021-07-05 19:50 +0200
Re: the Amazing Poly Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-07-05 20:10 +0200
Re: the Amazing Poly Nicolas George <george@nsup.org> - 2021-07-05 21:00 +0200
Re: the Amazing Poly ellanios82 <ellanios82@gmail.com> - 2021-07-05 21:20 +0200
Re: the Amazing Poly John Hasler <john@sugarbit.com> - 2021-07-06 00:10 +0200
Re: the Amazing Poly ellanios82 <ellanios82@gmail.com> - 2021-07-06 10:50 +0200
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