TheReliableHost
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Activity overview
Latest activity by TheReliableHost-
TheReliableHost commented,
]Are you using a syntactically correct hostname? For instance, make sure there are no capital letters and it's a valid FQDN. Also, ensure your entries in /etc/mailhelo for your domain names are val...
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TheReliableHost commented,
]Hello :) The message you are receiving is from the remote mail server. Is it only happening for that particular server? If so, try contacting their support or mail administrator to see why they a...
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TheReliableHost commented,
]I did a google search on error 501 and this is the result .. " Error 501: Syntax error in parameters or arguments. >>In the majority of the times it's due to an invalid email address, but it can...
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TheReliableHost commented,
]Try checking to ensure a valid PTR (RDNS) record is configured for the IP address used for sending email from your server. Typically, your data center or hosting provider must configure this recor...
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TheReliableHost created a post,
SMTP error from remote mail server after HELO server
I have setup new server for a client, CentOS, CloudLinux. not all emails but few of them are giving SMTP error from remote mail server after HELO server: host mx01.gmx.com [74.208.5.27]: 501 Synt...