Seems to be perfectly fine: https://mxtoolbox.com/SuperTool.aspx?action=spf%3akictanet.or.ke <https://mxtoolbox.com/SuperTool.aspx?action=spf%3akictanet.or.ke&run=toolpage> &run=toolpage I do not see any real reason else then gray-listing your server at yahoo.com. What you can try to do is check if yahoo.com mx servers like better encrypted connections ie “250 STARTTLS” or similar. Gmail for example blacklisted some of my emails due to the incoming connection not being encrypted. You can try to send me private email from an address at: akictanet.or.ke And I will be able to tell you what my AS thinks about it. Eliezer ---- <http://ngtech.co.il/main-en/> Eliezer Croitoru Linux System Administrator Mobile: +972-5-28704261 Email: <mailto:elie...@ngtech.co.il> elie...@ngtech.co.il
From: mailop <mailop-boun...@mailop.org> On Behalf Of Odhiambo Washington Sent: Monday, January 14, 2019 18:14 To: Eliezer Croitoru <elie...@ngtech.co.il> Cc: mailop@mailop org <mailop@mailop.org> Subject: Re: [mailop] Sending e-mails to Yahoo! - What other tricks do you use? The domain is kictanet.or.ke <http://kictanet.or.ke> . You can check and see if I have implemented everything correctly. On Mon, 14 Jan 2019 at 19:06, <elie...@ngtech.co.il <mailto:elie...@ngtech.co.il> > wrote: Are you implementing any SPF and/or other means such as encryption on your service? Eliezer ---- <http://ngtech.co.il/main-en/> Eliezer Croitoru Linux System Administrator Mobile: +972-5-28704261 Email: <mailto:elie...@ngtech.co.il> elie...@ngtech.co.il From: mailop <mailop-boun...@mailop.org <mailto:mailop-boun...@mailop.org> > On Behalf Of Odhiambo Washington Sent: Monday, January 14, 2019 15:03 To: mailop@mailop org <mailop@mailop.org <mailto:mailop@mailop.org> > Subject: [mailop] Sending e-mails to Yahoo! - What other tricks do you use? Hello everyone, I have a mailing list that has 1100 members. Out of those, 177 have Yahoo addresses. Delivery to these Yahoo addresses always delay - even for a whole day. The defer msg from Yahoo is https://help.yahoo.com/kb/postmaster/SLN3434.html In my Exim MTA, I have a special transport for delivering to Yahoo: throttled_smtp: driver = smtp connection_max_messages = 5 max_rcpt = 5 serialize_hosts = * retry_use_local_part hosts_avoid_pipelining = * Yet, Yahoo still doesn't play nice. Now I have opted to have a special retry rule, crafted according to Yahoo's own recommendation from the above page, that we should retry after 4 hours: \N^[^@]+@yahoo.\N <mailto:+@yahoo.%5CN> * F,4d,5h; ..but this still doesn't sit well with me. Waiting for 4 hours to receive an e-mail just because Yahoo is anal about spam is simply autrajius. The sender domain in question is very DMARC compliant. I have followed https://help.yahoo.com/kb/postmaster/recommended-guidelines-bulk-mail-senders-postmasters-sln3435.html and I believe my server meets everything they want. What other tricks still exist that I haven't explored?? Is there a way to get Yahoo to whitelist a domain+IP ?? Just for the record, I have just signed up with Yahoo feedback loop: https://help.yahoo.com/kb/SLN3438.html so waiting for their approval, if that will help me know who is voting the ML mail as spam. leading to the 421. One more thing - though unrelated. Why are the admins are NOT of keeping the web certificate for the archives up to date? I thought it's trivial with all Unix variants. -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-) -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", grep ^[^#] :-)
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