>From: Dianne Skoll <d...@roaringpenguin.com> >On Mon, 30 Jan 2017 09:06:34 -0500 >Rob McEwen <r...@invaluement.com> wrote:
>> On 1/30/2017 8:54 AM, Matus UHLAR - fantomas wrote: >> > they do and it has been mentioned: >> > https://help.yahoo.com/kb/SLN23997.html >Yahoo Outbound IP addresses | Yahoo Help - SLN23997 >help.yahoo.com >Yahoo Outbound IP addresses. If you're looking for a list of IP addresses that >Yahoo Mail sends emails from, we >have them for you below. Just click a link >below to ... Quick and dirty (I know there are many different ways to do this so I am not saying this is the only way -- no flaming please.): elinks -dump https://help.yahoo.com/kb/SLN23997.html | grep -E '([0-9]{1,3}\.){3}[0-9]{1,3}(\/([0-9]|[1-2][0-9]|3[0-2]))?' | awk '{print $1}' >Cool. So Yahoo uses an HTML page that's a pain to process by >computer. Microsoft has >https://support.content.office.net/en-us/static/O365IPAddresses.xml, >which at least is XML. And Google, so far as I can see, can be mined by >recursively expanding _spf.google.com. Everyone else that I have needed to whitelist in postcreen with postwhite will work fine by recursively expanding out their TXT SPF record which is exactly what postwhite does.