I agree with sticking to facts so lets cover a few here: 1. PMTA (formerly Port25 now Message Systems) is the 800 lb gorilla in the MTA world.
2. I own 2 enterprise licenses for PMTA 4.0 and paid support for a number of years (up to r11). I found the support to be very helpful at first but over the years it produced diminishing returns and more and more I felt deferred to the forum and to our own engineers to sort out issues and uncover abilities so I stopped paying for support and subsequently was unable to receive new releases including the major one to 4.5 3. Recently (about a year after Message Systems purchased) I reached out to the team to find out how I can begin paying for software updates again so I could upgrade to 4.5. I received an email telling me I would need to pay RETROACTIVELY for the years I did NOT receive support in order to upgrade. Has anyone ever heard of a policy like that? Regardless, it made me not the slightest bit interested in continuing with PMTA again. We also have multiple Green Arrow installs. It is a great MTA and the support is excellent and I find their pricing model is really quite fair. With that said, it isn’t perfect. They control the Postgres DB and only grant read access. Their API however is robust and allows you to do pretty much whatever you need. We have used a few open source MTAs over the years including Qmail, Postfix, Haraka and recently dabbling in Postal. We have considered building our own MTA but the costs and time involved make it somewhat prohibitive. However, I can definitely say that having ones own MTA solves all the issues mentioned herein and until one makes that step (or invests heavily in a team and technologies to manage Open Source MTAs), the 3rd parties will retain a strong position that holds many of us hostage in a sense and does not satisfy each ESPs individual needs. Marc Goldman EM13 On February 5, 2018 at 6:01:05 AM, Maarten Oelering (maar...@postmastery.net) wrote: Let’s stick to the facts. The PowerMTA license fee is not (only) for support. It will also provide you with new releases every couple of months. These new releases provide new functionality such as double DKIM, TLS optimizations, automatic MX rollup, and more. If this is worth the money is a personal judgement. The license fee is a flat fee, there is no “pay by email”. For Message Systems PowerMTA is an important product and the preferred on-premise software. Momentum is for complex setups which also need strong inbound functionality. Sparkpost is for everyone who prefers not to invest into their own system and having to manage it. There was one important security update, after the discovery of Heartbleed. It’s not Port25 that forced senders to get updates. It was just sensible to upgrade all software using openssl. Maarten Oelering Postmastery On 5 Feb 2018, at 09:53, David Hofstee <opentext.dhofs...@gmail.com> wrote: So yes, Message Systems have a model that they want you to pay per email. Maybe not yet, but in the future. If it is on premise or in the cloud, they don't care. To do that they took over Port25. You are forced to get updates due to the fact that you need security updates. Some ESPs have started to implement their own mta (Sendgrid, haven't kept tabs on others). There is no open source mta that is fast enough. And all ESPs don't seem to want to cooperate to create one (it doesn't hurt enough, price wise). You don't want to create a spamming tool either. Yours, David On 5 February 2018 at 08:57, Benjamin BILLON <bbil...@splio.com> wrote: Hello, Everything is always too expensive! However I can't say which of the software you mentioned is more expensive. It doesn't seem GreenArrow and PowerMTA are providing the same thing. PowerMTA is an enhanced MTA, GreenArrow seems to have that, somewhere, but sells services too? What features are you comparing exactly? Are you looking for SparkPost instead of on-promise PMTA? Anyway I believe another competitor would be MailerQ https://www.mailerq.com/ -- Benjamin De : mailop [mailto:mailop-boun...@mailop.org] De la part de Emre Üst |euro.message| Envoyé : lundi 5 février 2018 15:23 À : mailop@mailop.org Objet : [mailop] Mail Transfer Agent Alternatives Hello everyone , We are using Powermta(Port25) but their support service fee is rediciously high . We are looking for new mta . Could anyone recommend to Port25 altenatives ? What are you thinking about GreenArrow - drh.net ? Thank you -- EMRE ÜST Deliverability Specialist t. +902123430739 f. +902123430742 email: emre....@euromsg.com skype: user_name web: euromsg.com Yeşilce Mh. Yunus Emre Cd. Ada İş Mrk. No: 4 Zemin Kat 4. Levent / İstanbul This e-mail message may contain confidential or legally privileged information and is intended only for the use of the intended recipient(s). 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