{"id":825,"date":"2010-07-11T10:10:46","date_gmt":"2010-07-11T14:10:46","guid":{"rendered":"http:\/\/wehuberconsultingllc.com\/wordpress\/2010\/07\/11\/adventures-with-iredmail-part-iii\/"},"modified":"2010-07-11T10:10:46","modified_gmt":"2010-07-11T14:10:46","slug":"adventures-with-iredmail-part-iii","status":"publish","type":"post","link":"https:\/\/wehuberconsultingllc.com\/wordpress\/2010\/07\/11\/adventures-with-iredmail-part-iii\/","title":{"rendered":"Adventures with iRedMail – Part III"},"content":{"rendered":"

Recently I installed iRedmail at work so that we could include DKIM signatures in our newsletters. Every week we send out a newsletter to 96,000 former customers. It takes about 13 hours to send the newsletter. Yahoo is probably our most important email domain and they want us to implement DKIM. A couple of weeks ago we started seeing Yahoo limit our sending rate. Obviously they had a problem with something in our newsletter. So we re-analyzed the error codes we were getting during the newsletter mailing and implemented DKIM. The problem is fixed. Here is how I implemented this version of iRedMail.<\/p>\n

I implemented a VMware version of iRedMail to sign newsletter emails using DKIM. I used Ubuntu 9 server version(optimized for VMware version) to build appliance. <\/p>\n

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  1. The server works as a mail proxy in front of the SMTP server we use exclusively for the newsletter. It signs and relays the email to the existing SMTP server. I kept the existing SMTP server so that I could continue to use my existing procedures for parsing the log files to identify old\/obsolete mailboxes.<\/li>\n
  2. I created iRedMail users in LDAP to relay local users to mailboxes on Exchange.<\/li>\n
  3. My primary bottleneck is still my mail transmission to the Internet speed, 2 per second. I can create newsletter emails at about 8 per second.<\/li>\n
  4. On an old Proliant DL350 G4 iRedMail consumes about 40% of the dual CPU computer for four hours.<\/li>\n<\/ol>\n

    Since I had experience installing iRedMail it went quickly. The biggest bug I had to fix was the AWStats\/permissions problem on the mail.log file.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Recently I installed iRedmail at work so that we could include DKIM signatures in our newsletters. Every week we send out a newsletter to 96,000 former customers. It takes about 13 hours to send the newsletter. Yahoo is probably our most important email domain and they want us to implement DKIM. A couple of weeks … Continue reading “Adventures with iRedMail – Part III”<\/span><\/a><\/p>\n","protected":false},"author":1,"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_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_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}},"categories":[86,5,83],"tags":[],"class_list":["post-825","post","type-post","status-publish","format-standard","hentry","category-iredmail","category-linux","category-newsletter"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p4iN3d-dj","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/posts\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/comments?post=825"}],"version-history":[{"count":0,"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/posts\/825\/revisions"}],"wp:attachment":[{"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/categories?post=825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wehuberconsultingllc.com\/wordpress\/wp-json\/wp\/v2\/tags?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}