{"id":10030,"date":"2006-04-03T13:18:26","date_gmt":"2006-04-03T10:18:26","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/2006\/04\/03\/hiding-behind-spf\/"},"modified":"2006-04-03T13:18:26","modified_gmt":"2006-04-03T10:18:26","slug":"hiding-behind-spf","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2006\/04\/03\/hiding-behind-spf\/","title":{"rendered":"Hiding behind SPF"},"content":{"rendered":"<!-- google_ad_section_start -->\n<p>After playing for some time with <a href=\"http:\/\/www.dnsstuff.com\/\">DNS Stuff<\/a>, I decided to configure <a href=\"http:\/\/www.openspf.org\/\">SPF<\/a> for mamchenkov.net domain.\u00c2\u00a0 I don&#8217;t have a lot of expectations, but I hope that it&#8217;ll help to fight all that SPAM that we have on the web.\u00c2\u00a0 As a side effect, hopefully emails to Hotmail and Yahoo! will start working again.\u00c2\u00a0 I don&#8217;t have a lot of those myself, but a few people who email from my server complain once in a while.<\/p>\n<p>If you are interested, my SPF string looks like this: <code> IN TXT \"v=spf1 a ~all\"<\/code>.\u00c2\u00a0 It was extremely easy to create using <a title=\"SPF record creation wizard\" href=\"http:\/\/www.openspf.org\/wizard.html\">this wizard<\/a>.<\/p>\n<p>This is the first in a row of changes for my mail server setup.\u00c2\u00a0 Planned works will cover better anti-SPAM and separation of users and mailboxes into domains (right now everyone can use any hosted domain).<\/p>\n<p>Let me know if you have any suggestions for improvements, or if you have noticed any problems.<\/p>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>After playing for some time with DNS Stuff, I decided to configure SPF for mamchenkov.net domain.\u00c2\u00a0 I don&#8217;t have a lot of expectations, but I hope that it&#8217;ll help to fight all that SPAM that we have on the web.\u00c2\u00a0 As a side effect, hopefully emails to Hotmail and Yahoo! will start working again.\u00c2\u00a0 I &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2006\/04\/03\/hiding-behind-spf\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Hiding behind SPF<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"keyring_services":[],"class_list":["post-10030","post","type-post","status-publish","format-standard","hentry","category-general"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"After playing for some time with DNS Stuff, I decided to configure SPF for mamchenkov.net domain.\u00c2 I don&#039;t have a lot of expectations, but I hope that it&#039;ll help to fight all that SPAM that we have on the web.\u00c2 As a side effect, hopefully emails to Hotmail and Yahoo! will start working again.\u00c2 I\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Leonid Mamchenkov\"\/>\n\t<meta name=\"google-site-verification\" content=\"VHvdD0_usx1_4DzKy_QCVcICVgX2EgA2ybELT-wl7kQ\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/mamchenkov.net\/wordpress\/2006\/04\/03\/hiding-behind-spf\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Leonid Mamchenkov - Life, universe, and everything else\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Hiding behind SPF - Leonid Mamchenkov\" \/>\n\t\t<meta property=\"og:description\" content=\"After playing for some time with DNS Stuff, I decided to configure SPF for mamchenkov.net domain.\u00c2 I don&#039;t have a lot of expectations, but I hope that it&#039;ll help to fight all that SPAM that we have on the web.\u00c2 As a side effect, hopefully emails to Hotmail and Yahoo! will start working again.\u00c2 I\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/mamchenkov.net\/wordpress\/2006\/04\/03\/hiding-behind-spf\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2006-04-03T10:18:26+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2006-04-03T10:18:26+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MamchenkovBlog\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@mamchenkov\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Hiding behind SPF - Leonid Mamchenkov\" \/>\n\t\t<meta name=\"twitter:description\" content=\"After playing for some time with DNS Stuff, I decided to configure SPF for mamchenkov.net domain.\u00c2 I don&#039;t have a lot of expectations, but I hope that it&#039;ll help to fight all that SPAM that we have on the web.\u00c2 As a side effect, hopefully emails to Hotmail and Yahoo! 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Tagged. Tagged as: collections lists quotes tags thoughts JAJAH - web activated-telephony Tagged as: business communications cool internet money online phone skype software technology telephony tools voice voip CLUG Wiki - Colour on the command\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10706,"url":"https:\/\/mamchenkov.net\/wordpress\/2007\/05\/28\/daily-tweets\/","url_meta":{"origin":10030,"position":2},"title":"Daily tweets","author":"Leonid Mamchenkov","date":"May 28, 2007","format":false,"excerpt":"PayPal Europe moves from UK,where it is an \"electronic financial institution\" to Luxemburg,where it is a bank. Very cool. # I'm back to the office. And what is Kataklysmos anyway? I'm not diving for now cross here... # The day starts with 90K SPAM messages in the queue of one\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10760,"url":"https:\/\/mamchenkov.net\/wordpress\/2007\/07\/24\/daily-tweets\/","url_meta":{"origin":10030,"position":3},"title":"Daily tweets","author":"","date":"July 24, 2007","format":false,"excerpt":"Good morning, Twitter! # One of the things that I love about my current job is that I can work barefoot in the office. The virtue of small companies, yeah... # Oopsy.. I just found 6.5 GBytes of SPAM on our server. Nice catch! # \"...ignore disabled children\". As cruel\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7706,"url":"https:\/\/mamchenkov.net\/wordpress\/2004\/07\/22\/downtime-investigated\/","url_meta":{"origin":10030,"position":4},"title":"Downtime investigated","author":"Leonid Mamchenkov","date":"July 22, 2004","format":false,"excerpt":"I have investigated why the server went down today morning. Apparently, the server was a victim to a dictionary spam attack. I didn't have any limits configured for Exim and that resulted in load avereages exceeding 60. Gucho went extremely busy another couple of times during the course of the\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7599,"url":"https:\/\/mamchenkov.net\/wordpress\/2004\/06\/23\/migrating-from-mbox-to-maildir\/","url_meta":{"origin":10030,"position":5},"title":"Migrating from mbox to Maildir","author":"Leonid Mamchenkov","date":"June 23, 2004","format":false,"excerpt":"Today I had some free time on my hands, so I tried something that I was planning to do for a long time - properly move away from mbox to Maildir for email storage. It took me a bit more time than I thought it will, but I have done\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/10030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/comments?post=10030"}],"version-history":[{"count":0,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/10030\/revisions"}],"wp:attachment":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/media?parent=10030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/categories?post=10030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/tags?post=10030"},{"taxonomy":"keyring_services","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/keyring_services?post=10030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}