Postfix Jobs

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Hourly - Expert ($$$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I have a Rackspace cloud server running Ubuntu 10.04 that sends batch emails that are getting rejected by some mail providers. The server needs to be updated to be in accordance with the latest authentication standards. This should only take an experienced professional a couple of hours. Let me know if you have any questions.
Skills: Postfix SMTP Server Email Deliverability Rackspace Rackspace Cloud Servers
Fixed-Price - Expert ($$$) - Est. Budget: $50 - Posted
I want a mailserver expert to check and setup mailserver for me. I have already done many steps, but it does not work. Need a expert on SSL, I have already generated a certificate. Please apply if you are expert on mail servers on Debian. I have https(this works already) working and the SSL on emails(this does not work). I want a step by step guide on how to do it perfectly. I already have links for the VPS provider, but need final version.
Skills: Postfix SMTP Server Dovecot Email Deliverability Linux System Administration
Hourly - Entry Level ($) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
I have an issue where app cannot send mail to an account hosted at gmail , I can send mail from my app to any external emails . I need a postfix expert on ubuntu Sep 16 00:47:43 postfix/smtpd[31142]: NOQUEUE: reject: RCPT from localhost[]: 550 5.1.1 <>: Recipient address rejected: User unknown in local recipient table; from=<> to=<> proto=ESMTP helo=<machinename>
Skills: Postfix SMTP Server Ubuntu
Fixed-Price - Intermediate ($$) - Est. Budget: $50 - Posted
I need an expert System Admin to help troubleshoot some issue in our running full scale Mail Servers - both MTA & MDA (setup by an Expert Engineer), but cant access him currently. The issues are small and are mostly configuration related to allow / disallow few things and some connection issues. Apply immediately. R Manish
Skills: Postfix SMTP Server Amazon EC2 Apache administration Docker
Hourly - Expert ($$$) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
Good day! I need to deploy a system for centralizing mailing of trusted contacts (over 100+), hosted on my server, not external services like Mailchimp. The key requirements: 1) it should be protected, so only contacts added to the list should receive messages 2) it should have high delivery rate, so all of them should receive our emails; 3) they should have an opportunity to reply back (similar to 4) ideally, it should have WEB-interface for management, if possible Thank you
Skills: Postfix SMTP Server Email Deliverability Linux System Administration Mail Server Implementation
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I have a server droplet with digital ocean and need it setup to handle large volumes of html email sending. I will want the mails to be limited a a specific number of sends per second and will need to be able to do the following. I would need to post data of the email (similar to Amazon SES) to this server for sending, and for each message i need a Message ID. I would need a response code to say whether it sent ok (i.e. 200,250) I would need to be able to process bounces, when a mail bounces back i need to process the raw header info in the bounce and post this to a remote function on site B (this bounce would also need to contain the Message ID. I would also like to be able to send mail from multiple addresses in the same way that I can with Amazon SES. So batch A would be sent from and Batch B from Initially I would say the limit may be 500,000 messages per day.
Skills: Postfix SMTP Server DNS Linux System Administration PHP