Category Archives: Email
Sender Verify Fail
If you are seeing errors like this: sender verify fail for [email protected]: The mail server could not deliver mail to [email protected]. The account or domain may not exist, they may be blacklisted, or missing the proper dns entries. When someone is trying to send an email from outside of your server to an address inside …
Gmail flagging all of your mail as spam
If all of the email you send to gmail (google) addresses are getting flagged as spam, but your server is clean, and not on any other blacklists, then something to check is if you have IPv6 enabled in Exim, but not in your SPF record. In a cPanel update, they added the following option to …
How to fix “550 Requested action not taken: Mailbox unavailable or not local” on a Plesk server
When using a plesk server on a windows system, you can sometimes run into customers getting errors like this “550 Requested action not taken: mailbox unavailable or not local” when sending mail out, or when trying to manage their accounts in the Plesk panel. The reason this happens is that a recipient’s domain was …
How to correct 554 5.7.1 : Relay access denied email errors, and prevent them in the future
Relay Accessed Denied is a common email error. It means that the server is not allowing an email to be sent to another mail server. The most common causes of this error are: The sender did not authenticate to the outgoing mail server The recipients server has determined the senders server to be a …
Quick Tip: Checking SPF and DKIM records
If you want to check if the DKIM and SPF records have been setup on the dns server for example.com issue the following 2 commands. DKIM dig default._domainkey.example.com TXT If you have it setup right, you should see something like this in the answer section: ;; ANSWER SECTION: default._domainkey.example.com. 300 IN TXT “v=DKIM1\; k=rsa\; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyWompSSOHvgTtoRiLN1ieoj38kn7BK5suTGXeEXup9u96uCKw/73VaOfKngsUcAYr44/usj0cSNzlHbfWPDsm0cMToLiv7oqB4Ly+QsyzopfXc/UCJX2+pPGERiX9FjaEWADY6CTOxC+0f2J7150mh2G12cnSlmZvQ/M25GKnWDg9PX/8CojpDZUype5Mo15V” …
Custom MX records on plesk being ignored
If you have a customer who has custom MX records that point their mail away from your own servers, and mail sent from your servers is not reaching them, then what you need to do is disable the mail function on their account all together. To do this, login to plesk, search for their domain …
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