Mailgun
Sending transactional emails for a site with 300k+ users, Acting as a BYO SMTP service for data ownership
It's a powerful and cost-competitive API for high-volume senders, but costs can scale significantly.
Cost-effective email sending for high-volume users on a tight budget
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FIRST-HAND READS
What people reported, in their own words. Every line links to where it was said.
“the emails are never going to get delivered. I have to get MailChimp or Mailgun to rotate the IPs”
NEGATIVE · reliability · Hacker News · 2026-03-04
“I tried several other relay services like mailgun and those /did/ have noticeable impact”
NEGATIVE · performance · Hacker News · 2025-10-01
“Set up mailgun, edited the config file with credentials, but the problem persists”
NEGATIVE · reliability · Hacker News · 2025-09-05
“I've used SES, SendGrid, MailGun, Hive, Klaviyo, etc, but at the end of the day had an overall easier, better, more enjoyable experience with the bare simplicity of CloudMailin”
NEGATIVE · ease of use · Hacker News · 2025-08-04
“Email blasts on mailgun run $3-7 a month, depending on how many I do -- it costs $1 for the first 1,000 then $.001 per additional message. Pretty cheap marketing costs”
POSITIVE · price · Reddit · 2025-05-13
“We've used the Mailgun plugin and just tested it and all seems to be fine there.”
LUKEWARM · performance · Reddit · 2024-09-24
“Mailgun is great. I keep coming back to it after trying many alternatives.”
POSITIVE · Hacker News · 2024-09-19
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