Interspire Jobs

cPanel / Exim Email Deliverability Expert Needed – 554 Errors Description: We are looking for an experienced cPanel/Exim email server specialist to troubleshoot an inbound email delivery issue on our company domain. Our company emails are working normally and we can receive emails from most external senders. However, emails from one specific government organization are being rejected or delayed by our mail server. The sender is using Proofpoint, and they are receiving errors such as: * 554 5.1.2 < #5.1.2> * 554 5.4.0 < #4.2.0> Our current setup: * cPanel hosting * Exim mail server * MX points to our cPanel mail server * Email Routing: Local Mail Exchanger * cPanel Email Deliverability: Valid * SPF, DKIM and DMARC configured * Other external emails are being receive...

I need a fresh SMTP server configured and fully integrated with my existing cPanel account so I can push roughly 1 000–10 000 emails per day through Webmail without bumping into the usual sending limits. There is no current SMTP service in place, so the job starts from scratch: provisioning the server, linking it to my domain inside cPanel, and making sure every authentication layer—SPF, DKIM, DMARC, rDNS—is properly applied for strong inbox placement. Once it is live, I want to be able to open Roundcube (or any default Webmail client that ships with cPanel) and send campaigns confidently, knowing throttling is no longer an issue. Please secure the server, tweak Exim or Postfix for high-volume performance, and leave me with clear, concise notes on how to add future domai...

I already own the domain; now I need a fully-operational MailWizz environment that I can start using the moment you hand it over. You will supply and configure everything—dedicated Windows server, clean IP address, valid MailWizz license, and any underlying mail transfer agent—so I don’t have to purchase additional components or subscriptions. The build must be optimised for high-volume transactional emails. Rather than relying on third-party relays like Amazon SES, SendGrid, or Mailgun, I’d like to send directly through MailWizz itself, so please install and tune the SMTP/MTA you feel delivers the best inbox placement on a Windows stack. Key deliverables: • Provisioning of a Windows server with a fresh IP • Installation and activation of MailWizz unde...