A number of people, on different forums, have been asking if anyone is seeing a higher bounce rate than usual with Yahoo. Not sure exactly what’s going on here. As I understand it, folks are talking with Yahoo about it. If I hear anything more, I’ll share.
For now, though, if you’re seeing a small increase in Yahoo bounces (or other weirdnesses) others are seeing something odd, too.
We have multiple measures of deliverability. Ones that we don’t even let in the door, and then we have ones that customers indicated that they don’t want to be delivered.
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Last year Verizon bought AOL. As part of that merger some @verizon.net email is being migrated to the AOL backend. FAQs published by Verizon say this change is only affecting users in FL, TX and CA. Users will still have @verizon.net addresses but the backend and filtering will be managed by AOL.
This shouldn’t have a huge impact on commercial senders. However, one thing I did notice while reading through the FAQ is this:
Yahoo is turning on p=reject for 62 of their international domains on March 28, 2016. These domains include:
y7mail.com
yahoo.at
yahoo.be
yahoo.bg
yahoo.cl
yahoo.co.hu
yahoo.co.id
yahoo.co.il
yahoo.co.kr
yahoo.co.th
yahoo.co.za
yahoo.com.co
yahoo.com.hr
yahoo.com.my
yahoo.com.pe
yahoo.com.ph
yahoo.com.sg
yahoo.com.tr
yahoo.com.tw
yahoo.com.ua
yahoo.com.ve
yahoo.com.vn
yahoo.cz
yahoo.dk
yahoo.ee
yahoo.fi
yahoo.hr
yahoo.hu
yahoo.ie
yahoo.lt
yahoo.lv
yahoo.nl
yahoo.no
yahoo.pl
yahoo.pt
yahoo.rs
yahoo.se
yahoo.si
yahoo.sk
yahoogroups.co.kr
yahoogroups.com.cn
yahoogroups.com.sg
yahoogroups.com.tw
yahoogrupper.dk
yahoogruppi.it
yahooxtra.co.nz
yahoo.ca
yahoo.co.in
yahoo.co.nz
yahoo.co.uk
yahoo.com.ar
yahoo.com.au
yahoo.com.br
yahoo.com.hk
yahoo.com.mx
yahoo.de
yahoo.es
yahoo.fr
yahoo.gr
yahoo.in
yahoo.it
yahoo.ro
These may cause some delivery issues with international Yahoo domains during the transition period. Anyone using these domains in mail not sent through the Yahoo interface is likely to experience increased bounces at ISPs who are respecting the p=reject request in the DMARC record.