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Emails generated from my VPS are never leaving the box. Both the live booking system and the two PHP test pages below should trigger a simple confirmation message, yet nothing reaches any inbox: • [login to view URL] • [login to view URL] I’m relying on the server’s built-in Sendmail, but even a direct Sendmail call returns nothing. I have not inspected the mail logs yet, so the root cause—mis-configuration, queue backlog, DNS (SPF/DKIM), blocked ports, or something else—still needs to be identified. Here’s what I need from you: 1. Connect to the VPS, inspect the relevant log files (/var/log/maillog or equivalent) and pinpoint why messages never leave the server. 2. Apply whatever configuration fixes are required—Sendmail relay, hostname tweaks, DNS records, queue flush, or an alternative lightweight SMTP relay if Sendmail proves unworkable. 3. Confirm success by running both [login to view URL] pages and showing the messages arrive in a real mailbox. 4. Leave me a brief note outlining what you changed so I can keep things working long-term. Root access is available as soon as you’re ready. I’d like to see those reservation emails flowing again today if possible.
Project ID: 40445669
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157 freelancers are bidding on average $135 USD for this job

Hello, As an industry-leading web service provider in Pakistan, my team at Our Software has a deep understanding of server-related issues and extensive experience with fixing system failures like the one you're experiencing. We comprehend that having your reservation emails flowing seamlessly is critical to the smooth operation of your business. That's why we put unwavering focus on resolving such issues effectively and efficiently. Our proficiency in PHP will be of great value as we dive into your VPS logs to identify the root cause of the sendmail failure. Whether it's a misconfiguration, queue backlog, DNS problem, blocked ports or something else entirely, we will leave no stone unturned in finding and fixing the issue. Once resolved, I will explain every change I make in a concise yet comprehensive manner so that you can maintain smooth operations going forward. At Our Software, customer satisfaction is our number one priority and we aim to add a "WOW" factor to each project we undertake. With us on board, you can rest assured knowing that not only will your reservation emails start flowing again promptly, but also that you'll have a reliable partner by your side for any future web service needs. Let us turn this problem into a non-issue for you today! Thanks!
$180 USD in 2 days
8.6
8.6

Hello, I can see the real issue here isn’t just “mail not sending” , it’s that your VPS is failing silently, so the booking confirmations never make it past the server. I’ve handled VPS mail failures like this before, and I’d approach it by checking the mail logs first, tracing the Sendmail path, and then fixing the exact break point rather than guessing. I work with Linux VPS mail stacks, Apache/PHP mail flows, Sendmail/Postfix, DNS authentication, queue troubleshooting, and relay configuration. I’ll inspect /var/log/maillog or the equivalent, verify hostname and DNS records, test the PHP mail calls from both pages, and if Sendmail is unstable I’ll move you to a lightweight SMTP relay that is reliable for reservation traffic. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. If you’d like, I can start with the log review and a live send test, then document the changes so your team can keep the setup healthy long-term. Do you want me to preserve Sendmail if it can be repaired, or is switching to a lightweight SMTP relay acceptable if that gives a more reliable long-term fix? Looking forward to your reply so we can finalize the exact plan. Thanks, Asad
$75 USD in 3 days
8.2
8.2

Hello. I would like to help you with fixing sendmail php error. I have experience. Please read my feedbacks. Thank you.
$30 USD in 1 day
7.9
7.9

Hi, I’ve resolved similar email delivery issues on VPS servers multiple times, so I understand the urgency and importance of reliable email communication for your business. I can quickly identify the root cause of your Sendmail problem and implement a solution. I’ll also ensure that your server is properly configured for email delivery, whether we stick with Sendmail or switch to a more reliable option like Postfix or an external SMTP service. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to help you get those emails flowing again. Best regards, Adil
$183.15 USD in 7 days
7.5
7.5

I can diagnose and fix the VPS mail issue today. I’ll start by checking the mail logs and queue, then verify Sendmail/Postfix configuration, hostname, DNS alignment, and any outbound port blocks. Once the cause is clear, I’ll apply the needed fix—whether that’s correcting local mail configuration, flushing the queue, adding a reliable SMTP relay, or updating SPF/DKIM guidance. I’ll test both PHP mail triggers afterward and confirm delivery to a real inbox, then leave a short summary of what was changed so the reservation emails stay reliable long-term.
$200 USD in 2 days
7.5
7.5

As the owner of one of the best-suited backgrounds for addressing your VPS Sendmail failure, I am confident that I can swiftly identify and resolve the issues that are preventing your emails from being sent out. Quick identification and resolution are key to peace of mind, and my years of experience with Apache, DNS, Linux, and PHP have groomed me perfectly for this task. I understand that it is not just about finding and fixing the problem, but also about providing long-term solutions. That's why my approach involves not just fixing a problem but equipping you with a brief note on what was changed. This empowers you to keep things running smoothly even after I am done. I have root access ready to jump in right away, and with your permission, I will leave no stone unturned in bringing back your reservation emails flow. In the end, my biggest value proposition to you is reliability. As someone with an unwavering dedication to my clients and their satisfaction, I will not stop until your email woes are resolved. Let's put an end to this as quickly as possible, so you can prioritize the important matters awaiting your attention!
$80 USD in 1 day
7.6
7.6

Hello, I have 10 years of experience in server administration and email systems. I can quickly connect to your VPS and inspect the mail logs to identify the issue. Once identified, I'll apply the necessary fixes to ensure email delivery. I'll confirm success by testing both PHP pages and ensuring emails reach an inbox. A summary of changes will be provided for your reference. I’m prepared to start immediately. Regards, VishnuLal NB*
$250 USD in 1 day
7.7
7.7

⭐⭐⭐⭐⭐ Fix Email Issues on VPS and Ensure Deliverability ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and I see you are looking for a solution to fix email issues on your VPS. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for email configuration and troubleshooting. I will connect to your VPS, inspect the log files, and identify the root cause of the email delivery problem. ➡️ Why Me? I can easily resolve your email issues as I have 5 years of experience in server management and email configurations. My expertise includes diagnosing email delivery problems, configuring Sendmail, and optimizing server settings. Additionally, I have a strong grip on DNS configurations and troubleshooting techniques to ensure proper email flow. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work and explain how I will get your emails flowing again. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Server Management ✅ Email Configuration ✅ Sendmail Setup ✅ DNS Management ✅ Troubleshooting ✅ Log Analysis ✅ PHP Development ✅ SMTP Relay ✅ Queue Management ✅ Network Configuration ✅ System Optimization ✅ Technical Documentation Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.8
7.8

Hi! I can help you get those emails flowing again. First thing I'd do is SSH in and check the mail logs to see if messages are queuing, bouncing, or silently dying. Common culprits on a VPS are port 25 being blocked by the hosting provider, missing reverse DNS, or SPF records not matching the sending IP. If Sendmail turns out to be more trouble than it's worth, swapping to Postfix with an SMTP relay is usually a quick win. I'm Edward, been doing PHP and Linux server work for over 10 years. I've fixed this exact scenario plenty of times. Once it's sorted I'l document everything so you're covered going forward. Let me know if you want to get started today.
$140 USD in 7 days
7.0
7.0

Hello, I understand your VPS sendmail issue is preventing critical emails from being sent out, affecting your booking system's functionality. The hidden challenge often lies in server misconfiguration or mail queue backlogs causing this failure. With over 10 years of experience handling backend PHP and server setups, I can quickly diagnose and fix your mail sending problem. You can check samples from our work at https://www.freelancer.com/u/eliaa. Looking forward to hearing from you. Best Regards, Elia Fawzy.
$250 USD in 7 days
6.9
6.9

Drawing from my extensive 18+ years of experience, I assure you that you're in capable hands with me. Having worked extensively with PHP-driven platforms and DNS configurations, I'm no stranger to the inner workings of the VPS system and can quickly pinpoint and rectify issues like email failures. My strong suit lies in not just troubleshooting but also implementing efficient solutions - be it tweaking hostnames, making changes in the DNS records or deploying alternative SMTP relays when needed. Given my background, I'll be able to tackle challenges related to mis-configurations, queue backlogs, DNS (SPF/DKIM), blocked ports, etc., head on. I'll connect with your VPS, delve into relevant log files and make necessary configuration fixes. To ensure a thorough job, upon completion, I'll leave you a note outlining all changes made for long-term maintenance. Furthermore, I value effective communication and understand the need for timely expertise on projects that can directly impact your business operations. This is why your satisfaction is always my top priority - not just getting the emails flowing again today, but ensuring smooth working moving forward. Hire me for dependable solutions crucial to maintaining your server's email functionality.
$260 USD in 2 days
6.8
6.8

Hi dear employer! As it currently stands SMTP is down on your VPS and you want it to be working again. I'm ready to inspect your server and get to the bottom of the issue. I'll document my findouts and get everything back on track. I've handled similar assignments in the past. I'm looking forward to hearing from you!!
$80 USD in 2 days
6.9
6.9

Hi I can fix you mail sending as i have good experience of php mail function and will make sure mail send well. i have 12 years of experience in web hosting, will start working right away.
$140 USD in 1 day
7.0
7.0

As a seasoned Network, Cybersecurity, VoIP and System Engineer with over 10 years of experience, I believe I have the skills and expertise needed to help resolve the issue you are facing with your VPS's Sendmail. Over the years, I have troubleshooted and fixed similar issues for both small and enterprise-sized companies, including handling DNS related tasks, analyzing log files, optimizing network configurations among many others. I understand that time is of the essence for you and getting your reservation emails flowing again is your top priority. Whenever I take on a project, I work diligently to identify any underlying issues and provide effective solutions promptly, and this project will be no different. With my deep knowledge in network administration, voip, wireless systemsecurity, system administration and cloud computing vous pouvez être sûr que je pourrai aborder les problèmes d'une manière globale et systématique. Lastly, I pride myself on prompt communication and delivering projects to 100% satisfaction. You can count on my quick response time nd my 24/7 availability as well. Should you choose me for this project, rest assured that I will not only fix your VPS's Sendmail issue but also provide a brief outline detailing the modifications made for your future reference. Let's get started today and restore the seamless flow of emails on your server.
$150 USD in 2 days
7.1
7.1

Hello, I can help get your VPS mail delivery working again by checking the Sendmail logs, queue, hostname, DNS-related settings, PHP mail behavior, and any port or relay issue stopping messages from leaving the server. I have handled similar Linux VPS email problems with Sendmail, Postfix, SMTP relays, SPF/DKIM alignment, and PHP-generated mail, and I will keep the fix practical so your booking confirmations stay reliable. Once I identify the cause, I will apply the needed configuration changes, test both provided PHP mail pages against a real inbox, and leave you a short note explaining what was changed for long-term stability. I am ready to begin immediately and would be happy to discuss the project in further detail. Thanks, Teo
$200 USD in 2 days
6.5
6.5

With over a decade of experience in web engineering, I'm confident that I can troubleshoot and fix the issues disrupting your SMTP flow on your VPS. My proficiency with Apache and PHP makes me well-versed in diagnosing the root causes of such intricate problems. While others may only scratch the surface, I go the extra mile to delve into log files (like /var/log/maillog) to make informed assessments. As a dedicated web engineer, identifying issues would only be half the task for me. I would offer comprehensive solutions like Sendmail relay, hostname tweaks, DNS record adjustments, or an alternative lightweight SMTP relay method to avoid a recurrence of the problem in the future. My aim is not solely to resolve the immediate issue at hand but also to provide long-term quality assurance. Choosing me for this project is not just an investment in quick results but also one in reliability. Once I've fixed the VPS sendmail failure, I'll leave you with a detailed yet concise record of changes made for your reference - standing as a testament to my commitment to continued operations and support. Let's get your reservation emails up and running today!
$30 USD in 1 day
6.0
6.0

Having specialized in backend development and VPS management for over a decade, I'm more than qualified to address your VPS Sendmail failure. My understanding of the full tech stack intertwining Apache, Linux, PHP, and VPS will be instrumental in unraveling any misconfigurations causing your emails to stall. Upon gaining root access, I will inspect the relevant log files diligently, leaving no stone unturned, until I trace the root cause of this issue. Furthermore, what distinctively sets SoftwareLinkers apart is our commitment to understanding your business objectives and designing tailored solutions accordingly. We don't just fix your immediate issues - we ensure they don't recur. Therefore, once the issue is identified and resolved, I will meticulously outline all the necessary configuration changes so that you can maintain long-term functionality yourself. With familiarization relating to RESTful API and system integrations topped with a 96% job success rate among 100+ reviews and a high client retention ratio, teaming up with SoftwareLinkers promises high quality work delivered within timelines. I'm eager to enable your reservation emails to flow freely yet securely again. Contact me now and let's bring back the smooth operation your business relies on!
$100 USD in 2 days
6.4
6.4

I can jump on this immediately and diagnose the issue end-to-end. I have experience troubleshooting VPS mail delivery problems involving Sendmail/Postfix, PHP mail(), DNS/SPF/DKIM/DMARC, SMTP relay configuration, blocked outbound ports, and mail queue failures. I’ll inspect logs, identify the exact failure point, apply the appropriate fix, verify delivery from both PHP test pages to a real mailbox, and leave you with a concise summary of what was changed for long-term stability.
$50 USD in 1 day
6.2
6.2

One reason might be VPS blocking the outbound email . I can check whats wrong and fix it for you Please message me hoping to hear from you thank you -------------
$100 USD in 1 day
6.2
6.2

Hi, I can quickly diagnose and restore the outgoing mail flow on your VPS so both the booking system and PHP test pages successfully deliver messages again. I’ll inspect the full mail pipeline including Sendmail configuration, mail queue status, SMTP connectivity, hostname/reverse DNS alignment, SPF/DKIM records, firewall restrictions, blocked outbound ports, PHP mail configuration, and system mail logs to identify exactly why messages never leave the server. If Sendmail is unreliable, I can configure a lightweight authenticated SMTP relay for stable delivery. Once fixed, I’ll test both PHP pages directly, confirm successful delivery into real inboxes, and provide a concise summary of the configuration changes made so the setup remains maintainable long-term. I’m ready to start immediately with root access and can work to get reservation emails flowing again today. Usman Bashir
$180 USD in 2 days
6.2
6.2

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