Email Tips

Not receiving emails from a site form: This issue was caused by the hostname of the server, which was dsw33.managed.domain.com, Update this to a vaild hostname like mail.thedomain.com and add the matching PTR (reverse DNS) record to match. You will need to add an A record at your DNS provider that points mail.thedomain.com to the […]

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SPF Records

Sender Policy Framework (SPF) is a method of fighting spam. As more time passes, this protocol will be used as one of the standard methods of fighting spam on the Internet. An SPF record is a TXT record that is part of a domain’s DNS zone file. The TXT record specifies a list of authorized […]

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Outlook or Mail AAAA Error

Trying to send email to an outlook.com account and getting this failure. : Host or domain name not found. Name service error for name=outlook.com type=AAAA: Host not found Currently Microsoft doesn’t support IPv6 for hotmail.com, live.com or outlook.com. Postfix by default if IPv6 is enabled will attempt a IPv6 DNS lookup, the AAAA record, this […]

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Email Deferred/Greylisting error

Getting email logs that show the following? mail qmail-queue-handlers[8672]: Handlers Filter before-queue for qmail started …Jul 7 14:17:18 mail qmail-queue-handlers[8672]: from=domain@domain.comJul 7 14:17:18 mail qmail-queue-handlers[8672]: to=domain@domain.comJul 7 14:17:18 mail greylisting filter[8673]: Starting greylisting filter…Jul 7 14:17:18 mail qmail-queue-handlers[8672]: handlers_stderr: DEFERJul 7 14:17:18 mail qmail-queue-handlers[8672]: DEFER during call ‘grey’ handlerJul 7 14:17:26 mail pop3d: Connection, ip=[::ffff:203.197.xx.xx]Jul […]

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Plesk Email Size Error

When changing the email from 100MB to 500 for the emails in the domain the following error: Incorrect limit value was specified. Under the subscription settings, you would need to increase the maximum size for the mailbox. If you attempt to make the limit for a mailbox higher than the current max mailbox setting for […]

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Hotmail Black List

If you cannot send emails to Hotmail or MSN, then your server’s IP address maybe blacklisted. Here are some tips to get removed from the MSN blacklist. This is another installment of our Spam Blacklist Removal Series, so be sure to check out the series for other ISPs. Before jumping through the blacklist removal hoops, […]

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