To work around this issue if you do not want to upgrade, Edit the /etc/hosts file of vCenter Server Appliance and add the following line: 192.0.2.123 example.com. reject=553 ***** Domain of sender address メールアドレス does not exist 【意味】 送信元のメールアドレスのドメイン名が存在しません。 よって、存在しないドメインからのメールの受信を拒否します。 【表示例】 reject=451 ***** Domain of sender address メールアドレス … Aug 22, 2013 #1 Hi When email is sent using php email scripts from a website of domain.com.au (this one of domains web-hosted by a VPS (its domain is domain2.com.au)) SOME remote mail … And you can always omit the @localhost … You need to fix your domain name in the postfix configuration (domain.local is not a valid domain name). SPFレコードを設定したい. One of my clients is getting emails rejected because the recipient's server says her domain address doesn't exist. Domain of sender does not exist problem??? - Sendmail, Inc 対応方法. mail.domain.org #5.5.0 smtp;553 #5.1.8 Domain of sender address does not exist. Domain of sender address ... does not exist ruleset=check_mail reject=553 5.1.8 に関係する 内容を 見てみよう . In response to marc.luescherFRE. I guess not! SmarterTools I am not a plusnet customer myself, but this issue has me concerned enough for my customers as they are not receiving any order emails, and I have no other means to contact them which comply with GDPR. First and foremost to correctly set up a mail server so any and all mail you send doesn't get bounced you will need access to your resource records... Cannot send mail using postfix. Error 553 5.1.8 ... Domain of … If Barracuda could not resolve the recipient address, and fail to send, have you contacted Barracuda for further assistance as we have not such scenario?