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On 12/06/2016 03:09 PM, Robin H. Johnson wrote: |
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> On Mon, Dec 05, 2016 at 08:32:25PM +0000, Robin H. Johnson wrote: |
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>> Hi, |
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>> |
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>> I'd like to remind all developers that there is an LDAP field to allow |
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>> you to customize SPF entries for how you send email. |
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>> |
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>> If, for example, you wanted to strictly try to block people forging mail |
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>> as you, and you send ONLY via your own mailservers, you can set SPF to |
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>> '-all'. |
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> A longer, easier to parse correctly explanation follows: |
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> |
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> 1. Are you sending ONLY via Gentoo mail servers, and want to block |
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> forgery? |
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> Set "gentooSPF: -all" |
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> |
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> 2. Are you using other servers as well, and want to block forgery? |
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> Set "gentooSPF: include:myspf.example.com -all" |
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> |
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> 3. You don't have complete control over your sending environment (this |
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> is the default). |
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> Set "gentooSPF: ~all" |
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> |
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> The wiki page for developer email was updated prior to sending the |
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> previous email, and I suggest reading it: |
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> https://wiki.gentoo.org/wiki/Project:Infrastructure/Developer_E-Mail#To_permit_mail_from_GMail.2C_Gentoo.2C_and_nowhere_else |
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> |
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Thanks for setting this up for us. I may decide to go to '-all' when I |
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decide on a "Gentoo-dev-only" machine setup to add a hint of security to |
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things. :) |
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|
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-- |
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Daniel Campbell - Gentoo Developer |
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OpenPGP Key: 0x1EA055D6 @ hkp://keys.gnupg.net |
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fpr: AE03 9064 AE00 053C 270C 1DE4 6F7A 9091 1EA0 55D6 |
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