Problem sending emails to Yahoo from my site
I have this problem and I do not know how to fix it, you can help me
https://help.yahoo.com/kb/postmaster/SLN3434.html?guccounter=1
Many of my members do not receive their messages
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This message was created automatically by mail delivery software.
A message that you sent has not yet been delivered to one or more of its
recipients after more than 48 hours on the queue on eu01.server.plus.
The message identifier is: 1gksyG-004Xr4-Qp
The date of the message is: Sat, 19 Jan 2019 15:55:44 +0000
The subject of the message is: =?UTF-8?B?V2VsY29tZSB0byB4Q2hhdC5PbmU=?=
The address to which the me... more