7 Make postfix reject incoming email spoofed as from my own domain 2015-08-30T18:31:42.783

5 Sending mails from Outlook: SPF fails 2014-12-05T15:17:21.077

3 Google MX check bogus error? Every name server must reply with exactly the same TXT records 2019-09-21T15:57:58.693

2 Sender Policy Framework when using Smart Host 2014-01-30T20:12:25.083

2 SPF and Reply-To header 2016-01-11T15:08:07.063

2 Is it possible to have Outlook 2013/2010 display an SPF warning? 2016-07-04T01:35:52.063

2 What does a "-all" do in an included (secondary) SPF record? 2017-01-14T04:47:34.093

2 How to configure a long SPF record for UDP? 2017-02-03T18:26:57.873

2 If "a:domain.com" is used, would it include emails sent from *@subdomain.domain.com address? 2018-06-29T09:11:45.013

2 Is this how I indicate that only my MX IP is authorized to send email for this domain? 2018-10-16T17:46:27.793

1 Working with spf record on self hosted domain 2015-11-19T04:09:31.950

1 Why SPF checks seem to be useless? 2016-10-13T16:12:21.917

1 DNS, verify domain DKIM 2017-07-25T12:56:42.650

1 Emails delivered to spam despite spf/dkim/dmark correct 2018-02-12T08:53:39.693

1 SPF type ptr discouraged? Then what should I use? 2019-04-04T09:35:01.600

1 Email: Protect spoofing from other users on same domain? 2019-12-18T21:54:34.833

0 Softfail with properly configured SPF 2015-01-06T11:58:13.863

0 Run small mail server using a second domain instead of dynamic ip hostname service 2015-07-15T13:13:59.877

0 How do I set up SPF to block one domain but not others? 2015-09-25T09:48:12.763

0 Google Apps - Unable to receive emails on same domain despite SPF and DKIM confirmed 2016-03-01T16:30:50.877

0 Google Apps Mail & Remote webserver: Email goes to spam even with DKIM & SPF 2016-03-06T15:57:44.097

0 My SPF record is apparently stopping a mail relayer forwarding my message 2016-05-17T13:19:22.350

0 Emails being spoofed? Constantly blacklisted 2016-11-22T10:38:48.810

0 Is there any technical limitation while working with SPF record? 2017-03-28T19:33:42.533

0 In DMARC report other IPs than mine fail check, but disposition is always "none" 2017-06-29T07:50:49.653

0 freebsd postfix python policyd-spf ip addres validation error 2017-09-26T06:30:47.563

0 Why my emails go to junk folder? 2018-03-17T14:29:44.487

0 SPF - that is just limiting what IPs are allowed to relay? 2018-10-16T14:02:49.507

0 Gmail softbounced forwarded messages with DMARC 2019-02-06T15:31:37.077

0 SPF record & E-mail Autoresponse issue 2019-03-18T15:46:17.340

0 Why does Gmail not show SPF or DMARC pass or fail? 2019-04-05T14:49:09.370

0 How is connected Envelop From and Mail From mail header? 2019-04-19T13:53:37.640

0 How does SPF protect against email spoofing in case of a spoofer claiming the mail was relayed to him from a third party? 2019-10-23T09:49:50.047

-1 What is SPF error, and how do I resolve it? 2019-02-07T06:33:07.940