SMTP, or Simple Mail Transfer Protocol, is a foundational technology used for sending email messages between servers. Essentially, it's the backbone that powers the transmission of emails across the vast landscape of the internet. Without SMTP, the seamless communication we're accustomed to via emails wouldn't be possible.
SMTP warm up that keeps you out of spam.
Our automated SMTP warm up service combines gradual IP warm-up with real browser engagement, so your emails reach the inbox with maximum impact.
works with the inboxes you already have
works with every top provider
Connect any inbox with SMTP settings: Mailgun, SendGrid, GoDaddy, Inboxroad or your own server. inboxy fits into the email stack you already have.
browser simulation for maximum impact
It's not just about sending, it's about sending smart. Real browser interactions on our side add a layer of authenticity to every warmup email.
1why inboxy
what makes our SMTP warm up service different?
warm up SMTP with ease
Connect your inbox once with its SMTP settings and inboxy does the rest.
boost SMTP IP reputation
Raise the reputation of your server IP and the domains that send from it.
automated schedules
Set it up once and inboxy sends on an automated schedule with your settings.
maintain SMTP health
Warmup volume adjusts automatically: it eases off when health is good and steps up when it dips.
high-volume SMTP warm up
Handles large sending volumes without your mail ending up in spam folders.
custom warmup schedule
Choose days and time zone so activity always looks natural.
2how it works
how our SMTP warm up service works
- step 1
engage with thousands of real inboxes
inboxy connects to your SMTP server and starts genuine conversations with a large network of inboxes, ramping up gradually.
- step 2
positive touchpoints
Your emails are opened, replied to, marked important and rescued from spam, building your IP and domain reputation.
- step 3
track your progress
See your deliverability score, where your emails land and which providers, with up to 30 days of history.
3everything included
take control of your email deliverability
managed email scaling
Volume grows gradually from day one to build a trustworthy reputation with mailbox providers.
real engagement
Opens, replies, important flags and spam rescues, the way real contacts behave.
performance monitoring
Sending patterns adapt to changes in deliverability and response rates.
Domain Score IQ™
We compare your domain's reputation metrics against our database to keep it healthy.
works with any inbox
Gmail, Outlook, Microsoft 365 or any custom SMTP server.
easy set-up
Connect a mailbox, turn on warmup and let inboxy handle the rest.
damage control
A damaged reputation can recover as your emails are rescued from spam and engaged with.
scheduled warmup
Pick the days and time zone warmup runs in, so activity always looks natural.
from$39/month for 10 inboxes
A separate subscription: Starter, Growth or Pro, with 10, 30 or 100 inboxes. Warm up inboxy mailboxes or inboxes you already own. Save ~10% quarterly or get 2 months free yearly.
people who send a lot of email, on inboxy.
read reviews on G2 ↗“After warming up with inboxy, I was back to above 50% open rates. It's simple to set up as well. If you think your emails aren't landing in your prospects' inbox, you gotta use it. Game changer.”
Faizan S.Founder“Our domain health has never been better and that's due 100% to inboxy. It's the only email deliverability tool I've ever used that consistently gets emails in front of prospects' eyes.”
Tanya H.Business Development Executive“I have to tip my cap to inboxy. It raised our email sending reputation so we're able to contact more leads and close more deals.”
Zander L.Marketing Director“If I had to choose one thing, it would be that inboxy gives us open rates that no other email deliverability tool has ever been able to.”
Alison M.Administrative Manager“Without inboxy, we never would have experienced better open and response rates, or booked so many meetings.”
Ruben S.Marketing Support Specialistfrequently asked questions
What is SMTP email service?
How do I warm up my SMTP server?
Warming up an SMTP server isn't merely about sending emails; it's about doing so strategically. The process involves progressively increasing the number of emails sent through the server over a specific period. This ensures that you're introducing your server to Internet Service Providers (ISPs) gradually, thus building a good sender reputation. For those who want a streamlined process, Inboxy's tool provides a structured warm-up schedule to ease the burden and optimize outcomes.
Why is warming up an SMTP important?
Warming up an SMTP server is pivotal in cementing a trustworthy sending reputation. ISPs are continually on the lookout for suspicious activities, and a new or previously inactive SMTP server suddenly dispatching large volumes of email can raise red flags. Properly warming up helps in ensuring your emails steer clear of spam folders, leading to better engagement rates.
How long does the SMTP warm-up process take?
The duration of the SMTP warm-up varies based on several factors, primarily your target sending volume and the warm-up schedule you adopt. Typically, it can be anywhere from a couple of days to several weeks. Using Inboxy's tool can provide a more predictable and effective warm-up timeline tailored to your needs.
How do I know if my SMTP server is up?
Monitoring tools can be deployed to regularly check the health and activity of your SMTP server. Additionally, you can manually send a test email or inspect server logs for any anomalies.
How do I find my SMTP service?
Your SMTP service details are generally housed within the documentation or settings provided by your email service provider. If you're using a tool like Inboxy, there's often an easy-to-navigate dashboard or settings page where these details are readily available.
How do I ping my SMTP server?
You can utilize the "ping" command in your system's command prompt or terminal. Simply follow it with your SMTP server's domain or IP address to gauge its responsiveness. If you're not technically inclined, solutions like Inboxy often provide user-friendly ways to check server responsiveness without delving into command lines.
How do I enable SMTP server?
Activating an SMTP server necessitates navigating through your hosting provider's control panel or adjusting server configuration files, ensuring that aspects like port settings, authentication protocols, and other parameters are correctly set up.
How do I connect my email to SMTP?
For this, delve into the settings of your email client and locate the section dedicated to outgoing server or SMTP settings. Here, punch in the SMTP server details provided by your email service or tools like Inboxy, which can include the server address, port, and required authentication information.
Why are my SMTP emails not sending?
Several factors can halt the sending of SMTP emails — from server downtime, misconfigurations, authentication issues, to problems with the recipient's email server. Always refer to server logs for a clearer insight.
Are there any risks involved in not using an SMTP warm-up service?
Absolutely. Bypassing the SMTP warm-up can jeopardize your email deliverability. ISPs might flag or throttle your emails, perceiving them as potential spam, which in turn can tarnish your sender reputation.
How often should I use an SMTP warm-up service?
An SMTP warm-up service becomes essential when working with a new server or after a prolonged period of inactivity. After the initial warm-up, maintaining a consistent email volume is crucial.
What are the benefits of an SMTP warm-up service?
An SMTP warm-up service is not just a luxury; it's a necessity in today's digital communication era. It aids in building a strong sender reputation, escalating your deliverability rates, and minimizing the risk of your emails being erroneously tagged as spam. With Inboxy's dedicated service, you also get the advantage of a streamlined process, expert guidance, and periodic reports.
Can I warm up my SMTP server manually?
While it's possible to warm up your SMTP server manually by methodically and progressively increasing your email sending, this can be tedious and prone to errors. Leveraging an automated SMTP warm-up service like Inboxy ensures a more structured, efficient, and effective warm-up, saving you time and potential complications.
warm inboxes
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Warmup plans from $39 a month for 10 inboxes. Cancel any time.