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Warmy Blog

  • 13 min

Best SaaS Black Friday Deals of 2025

Discover the top SaaS Black Friday deals of 2025 and save big on must-have software tools for your business. Don't miss out on exclusive offers to boost productivity and growth!
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A graphic featuring the text 7 Maildoso Alternatives for Better Cold Emailing appears beside a partially visible webpage titled Mailboxes built for outbou.... Blue, red, and orange accents highlight the search for the best maildoso alternatives on a white background.
  • Inside Warmy
  • 19 min

7 Maildoso Alternatives for Better Cold Emailing

Looking for Maildoso alternatives? Check out the best cold email tools and how Warmy.io can help boost your email deliverability.
  • October 23, 2025
An illustrated tiger in a black warmy shirt stands with folded arms beside the text: COB meaning in email—what it is, when it’s due, and how to use it. A grid pattern appears in the top right corner.
  • Other
  • 15 min

COB Meaning in Email: What It Is, When It’s Due, and How to Use It

COB meaning in email explained. Use COB correctly, avoid confusion with EOD, and add clarity to every request.
  • October 15, 2025
Illustration of an anthropomorphic tiger in a warmy shirt, arms crossed, beside the text: How to Remove Your IP From UCEPROTECTL2 Blacklist on a white background with orange grid lines.
  • Email Deliverability
  • 8 min

How To Remove Your IP From UCEPROTECTL2 Blacklist

Learn how to remove your IP from UCEPROTECTL2 Blacklist and what being included in the list can mean for your
  • October 14, 2025
Amazon SES Spam
  • Email Deliverability
  • 10 min

Why Are Your Amazon SES Emails Going to Spam and How to Fix It

Your Amazon SES emails seem to be directly into consumers’ spam folder, which irritates you? Not alone, though! For email

  • August 11, 2025
Text reads: 550 Please Turn On SMTP Authentication In Your Email Client: How to Fix It on a light background with a soft orange gradient on the right side.
  • Email Deliverability
  • 8 min

550 Please Turn On SMTP Authentication in Your Mail Client: How to Fix It

With the exponential growth of technology catered towards information exchange and the various platforms available, email remains one of the

  • October 24, 2025
An illustrated tiger wearing a black warmy t-shirt stands with crossed arms next to text: UCEPROTECTL3 Blacklist: What Is It And How to Delist From It? on a white background with an orange grid pattern.
  • Email Deliverability
  • 11 min

UCEPROTECTL3 Blacklist: What Is It and How to Delist From It?

Is the Uceprotectl3 blacklist your IP address locked in? Are you concerned that this could damage the standing of your

  • October 24, 2025
Text graphic featuring the message: SMTP Error 535-5.7.8 Username and Password Not Accepted: How to Fix It, displayed on a white background with a subtle orange gradient.
  • Email Deliverability
  • 9 min

How to Fix SMTP Error 535-5.7.8: Username and Password Not Accepted

You know how aggravating it can be if you have ever tried to send an email and ran across the

  • October 15, 2025
Spamhouse_DROP
  • Email Deliverability
  • 8 min

Guide to Delisting Your IP from Spamhaus DROP: A Step-by-Step Approach

If you’ve found that your IP address has been listed on the Spamhaus DROP (Don’t Route Or Peer) List, you’re

  • September 2, 2025

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