Re: Yahoo Mail Delivery Issues
Dominic Schlegel <[email protected]> Tue, 17 Sep 2019 08:04:28 +0200
| Newsgroups | gmane.org.operators.swinog |
|---|---|
| Message-ID | <[email protected]> |
--===============0419738982== Content-Type: multipart/signed; boundary="Apple-Mail=_31CC68A8-104C-4313-9794-5B959B65935D"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Apple-Mail=_31CC68A8-104C-4313-9794-5B959B65935D Content-Type: multipart/alternative; boundary="Apple-Mail=_7D7C71F9-291A-4106-A2BA-41655D1FB441" --Apple-Mail=_7D7C71F9-291A-4106-A2BA-41655D1FB441 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi Thomas Thank you for the pointer. Regards Dominic > On 16 Sep 2019, at 22:08, Thomas Lademann <[email protected]> wrote: >=20 > Hi Dominic, >=20 > a good way to get in touch with these "big-ones" is usually the mailop = mailing list. >=20 > there was a discussion some days ago because of their huge dns = failure. >=20 > https://www.mail-archive.com/[email protected]/msg08651.html = <https://www.mail-archive.com/[email protected]/msg08651.html> >=20 > regards >=20 > Thomas Lademann >=20 >=20 >=20 > Am 16.09.19 um 15:51 schrieb Dominic Schlegel: >> Hi All >>=20 >> We are experiencing problems delivering mails for domains having = their MX record set to mx-eu.mail.am0.yahoodns.net (for example = yahoo.it, yahoo.de, yahoo.co.uk). So far we have figured out that = Yahoo=E2=80=99s DNS servers send different responses. Depending on the = DNS response we are able to establish SMTP connections. Below example = shows 2 servers from their DNS that seems to accept SMTP connections: >>=20 >> [root@x1:~] # dig a mx-eu.mail.am0.yahoodns.net @yf2.yahoo.com +short >> 188.125.72.73 >> 188.125.72.74 >>=20 >> [root@x1:~] # telnet 188.125.72.73 25 >> Trying 188.125.72.73... >> Connected to mtaproxy1.free.mail.vip.ir2.yahoo.com. >>=20 >> [root@x1:~] # telnet 188.125.72.74 25 >> Trying 188.125.72.74... >> Connected to mtaproxy2.free.mail.vip.ir2.yahoo.com. >>=20 >> On the other hand we sometimes get other replies from the =E2=80=9Csame= =E2=80=9D (the id.server chaos record tell=E2=80=99s us it=E2=80=99s a = different one) DNS server with different A records that do not accept = SMTP connections: >>=20 >> [root@x1:~] # dig a mx-eu.mail.am0.yahoodns.net @yf2.yahoo.com = +short >> 188.125.73.87 >> 212.82.101.46 >>=20 >> [root@x1:~] # telnet 188.125.73.87 25 >> Trying 188.125.73.87... >> telnet: connect to address 188.125.73.87: Operation timed out >> telnet: Unable to connect to remote host >>=20 >> [root@x1:~] # telnet 212.82.101.46 25 >> Trying 212.82.101.46... >> telnet: connect to address 212.82.101.46: Operation timed out >> telnet: Unable to connect to remote host >>=20 >>=20 >> We have so far confirmed this behaviour from different AS (Hetzer, = OVH). Does anybody else experiencing the same behaviour? >>=20 >> We have tried to contact their postmaster address and few others we = found on the internet. Unfortunately so far no one was really able to = help us. The Yahoo Small Business Phone Number that has been posted on = this list back in October 2009 seems no longer to be in operations too. = Therefore if you know how to get in touch with their technical staff = that would be much appreciated. >>=20 >>=20 >> Best Regards >> Dominic Schlegel >>=20 >>=20 >>=20 >> _______________________________________________ >> swinog mailing list >> [email protected] <mailto:[email protected]> >> http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog = <http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog> >=20 > _______________________________________________ > swinog mailing list > [email protected] > http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog --Apple-Mail=_7D7C71F9-291A-4106-A2BA-41655D1FB441 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi = Thomas<div class=3D""><br class=3D""></div><div class=3D"">Thank you for = the pointer.</div><div class=3D""><br class=3D""></div><div = class=3D"">Regards</div><div class=3D"">Dominic</div><div class=3D""><br = class=3D""></div><div class=3D""><div><br class=3D""><blockquote = type=3D"cite" class=3D""><div class=3D"">On 16 Sep 2019, at 22:08, = Thomas Lademann <<a href=3D"mailto:[email protected]" = class=3D"">[email protected]</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""> =20 <meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3DUTF-8" class=3D""> =20 <div text=3D"#000000" bgcolor=3D"#FFFFFF" class=3D""><p class=3D"">Hi = Dominic,</p><p class=3D"">a good way to get in touch with these = "big-ones" is usually the mailop mailing list.</p><p class=3D"">there was a discussion some = days ago because of their huge dns failure.<br class=3D""> </p><p class=3D""><a class=3D"moz-txt-link-freetext" = href=3D"https://www.mail-archive.com/[email protected]/msg08651.html">http= s://www.mail-archive.com/[email protected]/msg08651.html</a></p><p = class=3D""><br class=3D""> </p><p class=3D"">regards</p><p class=3D"">Thomas Lademann<br = class=3D""> </p><p class=3D""><br class=3D""> </p> <div class=3D"moz-cite-prefix">Am 16.09.19 um 15:51 schrieb Dominic Schlegel:<br class=3D""> </div> <blockquote type=3D"cite" = cite=3D"mid:[email protected]" class=3D"">= <pre class=3D"moz-quote-pre" wrap=3D"">Hi All We are experiencing problems delivering mails for domains having their = MX record set to <a href=3D"http://mx-eu.mail.am0.yahoodns.net" = class=3D"">mx-eu.mail.am0.yahoodns.net</a> (for example yahoo.it, <a = href=3D"http://yahoo.de" class=3D"">yahoo.de</a>, <a = href=3D"http://yahoo.co.uk" class=3D"">yahoo.co.uk</a>). So far we have = figured out that Yahoo=E2=80=99s DNS servers send different responses. = Depending on the DNS response we are able to establish SMTP connections. = Below example shows 2 servers from their DNS that seems to accept SMTP = connections: [root@x1:~] # dig a <a href=3D"http://mx-eu.mail.am0.yahoodns.net" = class=3D"">mx-eu.mail.am0.yahoodns.net</a> @yf2.yahoo.com +short 188.125.72.73 188.125.72.74 [root@x1:~] # telnet 188.125.72.73 25 Trying 188.125.72.73... Connected to mtaproxy1.free.mail.vip.ir2.<a href=3D"http://yahoo.com" = class=3D"">yahoo.com</a>. [root@x1:~] # telnet 188.125.72.74 25 Trying 188.125.72.74... Connected to mtaproxy2.free.mail.vip.ir2.<a href=3D"http://yahoo.com" = class=3D"">yahoo.com</a>. On the other hand we sometimes get other replies from the =E2=80=9Csame=E2= =80=9D (the id.server chaos record tell=E2=80=99s us it=E2=80=99s a = different one) DNS server with different A records that do not accept = SMTP connections: [root@x1:~] # dig a <a href=3D"http://mx-eu.mail.am0.yahoodns.net" = class=3D"">mx-eu.mail.am0.yahoodns.net</a> @yf2.yahoo.com +short 188.125.73.87 212.82.101.46 [root@x1:~] # telnet 188.125.73.87 25 Trying 188.125.73.87... telnet: connect to address 188.125.73.87: Operation timed out telnet: Unable to connect to remote host [root@x1:~] # telnet 212.82.101.46 25 Trying 212.82.101.46... telnet: connect to address 212.82.101.46: Operation timed out telnet: Unable to connect to remote host We have so far confirmed this behaviour from different AS (Hetzer, OVH). = Does anybody else experiencing the same behaviour? We have tried to contact their postmaster address and few others we = found on the internet. Unfortunately so far no one was really able to = help us. The Yahoo Small Business Phone Number that has been posted on = this list back in October 2009 seems no longer to be in operations too. = Therefore if you know how to get in touch with their technical staff = that would be much appreciated. Best Regards Dominic Schlegel </pre> <br class=3D""> <fieldset class=3D"mimeAttachmentHeader"></fieldset> <pre class=3D"moz-quote-pre" = wrap=3D"">_______________________________________________ swinog mailing list <a class=3D"moz-txt-link-abbreviated" = href=3D"mailto:[email protected]">[email protected]</a> <a class=3D"moz-txt-link-freetext" = href=3D"http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog">http://lis= ts.swinog.ch/cgi-bin/mailman/listinfo/swinog</a> </pre> </blockquote> </div> <br class=3D"">_______________________________________________<br = class=3D"">swinog mailing list<br class=3D""><a = href=3D"mailto:[email protected]" = class=3D"">[email protected]</a><br = class=3D"">http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog<br = class=3D""></div></blockquote></div><br class=3D""></div></body></html>= --Apple-Mail=_7D7C71F9-291A-4106-A2BA-41655D1FB441-- --Apple-Mail=_31CC68A8-104C-4313-9794-5B959B65935D Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEErH7OKQDFkOS1lOqem8x8l9JXj4sFAl2Ad2wACgkQm8x8l9JX j4vIVgf/Upm0DzBb+AFXMZlErbrgEY/x/HbjxGbFLHM3k6JKOWbH1ynppaYcKNjb zWOJPOeTBwULNHSKo3VsDbbbikaOvRca7DdyH0w+V3qk7Lg+VPdir5yg/lcEtucI AmVWNhdVYh0GexiCSvjBl2LWXUR20bF+IQ22oV9DgjzFdtm9lCxshe8t0C+e74+y f+I/gHgAZPTeoponT3QfUBhqw3x+cs7ZoGHwrP223HnvTQ5XAsbg9maWnIWArXpN DuwiBWII6YVMOCKgbj9adnm4fgYJrIvqd2c0gRyiyi30KbMCZBfRlZaoeVQ0xg+q nx+2neYe2JuhBTSXsl0hnMp/Uq51Xw== =PZk7 -----END PGP SIGNATURE----- --Apple-Mail=_31CC68A8-104C-4313-9794-5B959B65935D-- --===============0419738982== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ swinog mailing list [email protected] http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog --===============0419738982==--