ani_web Posted July 14, 2022 Share Posted July 14, 2022 Gmail not accepting the mail or notice which sending from whmcs. It is happening from few days. This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: ..............@gmail.com host gmail-smtp-in.l.google.com [1.2.1.26] SMTP error from remote mail server after end of data: 550-5.7.1 [1.1.1.1 12] Our system has detected that this message is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to Gmail, 550-5.7.1 this message has been blocked. Please visit 550-5.7.1 https://support.google.com/mail/?p=UnsolicitedMessageError 550 5.7.1 for more information. x11-20020a25858b000000b0066f6e7a9668si544889ybk.91 - gsmtp 0 Quote Link to comment Share on other sites More sharing options...
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