https://ownmailserver.com/blog Dedicated email sending for businesses sending 250,000 to 1 million emails a month: your own server and IP, flat monthly pricing, warm-up and deliverability managed for you. A Resend and SendGrid alternative. https://ownmailserver.com/blog/transactional-email-cost-at-scalehttps://ownmailserver.com/blog/transactional-email-cost-at-scaleMon, 26 Oct 2026 12:00:00 GMTTransactional email cost compared at 50k, 100k, 500k and 2.5M emails a month across Resend, SendGrid, Mailgun, Postmark, Amazon SES and a self-hosted server. https://ownmailserver.com/blog/shared-vs-dedicated-ip-emailhttps://ownmailserver.com/blog/shared-vs-dedicated-ip-emailMon, 26 Oct 2026 12:00:00 GMTShared vs dedicated IP for email: when a dedicated IP helps or hurts, what providers charge as of October 2026, and why self-hosting gives you one by default. https://ownmailserver.com/blog/sendgrid-pricing-explainedhttps://ownmailserver.com/blog/sendgrid-pricing-explainedMon, 26 Oct 2026 12:00:00 GMTSendGrid pricing as of October 2026: Essentials, Pro and Premier tiers, when a dedicated IP is included, worked examples, and when moving off makes sense. https://ownmailserver.com/blog/resend-pricing-explainedhttps://ownmailserver.com/blog/resend-pricing-explainedMon, 26 Oct 2026 12:00:00 GMTResend pricing as of October 2026: every tier, what overages cost, worked examples at 50k, 150k, 500k and 2.5M emails, and when moving off Resend makes sense. https://ownmailserver.com/blog/moving-off-resend-and-mailgunhttps://ownmailserver.com/blog/moving-off-resend-and-mailgunMon, 26 Oct 2026 12:00:00 GMTMoving off Resend and Mailgun to our own Postfix server: what we moved, how we relayed over 587 with a fallback, how we warmed up, and the gotchas we hit. https://ownmailserver.com/blog/is-self-hosting-email-worth-ithttps://ownmailserver.com/blog/is-self-hosting-email-worth-itMon, 26 Oct 2026 12:00:00 GMTIs self-hosting email worth it? Honest pros and cons, who should and shouldn't run their own mail server, and the real break-even against Resend and SendGrid. https://ownmailserver.com/guides/why-are-my-emails-going-to-spamhttps://ownmailserver.com/guides/why-are-my-emails-going-to-spamMon, 26 Oct 2026 12:00:00 GMTWhy are my emails going to spam? Work through this checklist: SPF, DKIM, DMARC alignment, reverse DNS, blocklists, reputation, content and list hygiene. https://ownmailserver.com/guides/spf-too-many-dns-lookupshttps://ownmailserver.com/guides/spf-too-many-dns-lookupsMon, 26 Oct 2026 12:00:00 GMTSPF too many DNS lookups means your record needs more than 10 and fails with permerror. How to count lookups, remove waste, flatten safely or use subdomains. https://ownmailserver.com/guides/self-hosted-email-server-postfix-ubuntuhttps://ownmailserver.com/guides/self-hosted-email-server-postfix-ubuntuMon, 26 Oct 2026 12:00:00 GMTBuild a self-hosted email server on Ubuntu 26.04: Postfix, OpenDKIM, Dovecot 2.4 SASL on port 587, Let's Encrypt, fail2ban, DNS, PTR, testing and warm-up. https://ownmailserver.com/guides/reverse-dns-ptr-record-emailhttps://ownmailserver.com/guides/reverse-dns-ptr-record-emailMon, 26 Oct 2026 12:00:00 GMTReverse DNS for email explained: set a PTR record for your sending IP, make it match an A record (FCrDNS) and your HELO name, then check it with dig. https://ownmailserver.com/guides/migrate-from-sendgridhttps://ownmailserver.com/guides/migrate-from-sendgridMon, 26 Oct 2026 12:00:00 GMTMigrate from SendGrid step by step: inventory, DNS while both run, switching your app to SMTP, suppression lists, gradual warm-up, fallback and cleanup. https://ownmailserver.com/guides/migrate-from-resendhttps://ownmailserver.com/guides/migrate-from-resendMon, 26 Oct 2026 12:00:00 GMTMigrate from Resend step by step: DNS while both run, Resend SDK to SMTP, React Email over SMTP, suppression data, gradual warm-up, fallback and cleanup. https://ownmailserver.com/guides/how-to-set-up-spf-recordhttps://ownmailserver.com/guides/how-to-set-up-spf-recordMon, 26 Oct 2026 12:00:00 GMTHow to set up SPF record entries for your domain: list every sender, publish one TXT record, choose -all or ~all, stay under 10 lookups and test. https://ownmailserver.com/guides/how-to-set-up-dmarchttps://ownmailserver.com/guides/how-to-set-up-dmarcMon, 26 Oct 2026 12:00:00 GMTHow to set up DMARC: get SPF and DKIM aligned first, publish a p=none record at _dmarc with rua reporting, read the reports, then tighten the policy safely. https://ownmailserver.com/guides/how-to-set-up-dkimhttps://ownmailserver.com/guides/how-to-set-up-dkimMon, 26 Oct 2026 12:00:00 GMTHow to set up DKIM: generate a 2048-bit key, publish the selector._domainkey TXT record, sign mail with OpenDKIM or your provider, and test it properly. https://ownmailserver.com/guides/gmail-yahoo-bulk-sender-requirementshttps://ownmailserver.com/guides/gmail-yahoo-bulk-sender-requirementsMon, 26 Oct 2026 12:00:00 GMTGmail bulk sender requirements explained: SPF, DKIM, DMARC, an aligned From, one-click unsubscribe and complaints under 0.3%, with the exact setup for each. https://ownmailserver.com/guides/email-ip-warm-uphttps://ownmailserver.com/guides/email-ip-warm-upMon, 26 Oct 2026 12:00:00 GMTIP warm up for a new mail server or domain: a week-by-week schedule, who to send to first, how to rate-limit in Postfix, and what to watch before you scale up. https://ownmailserver.com/guides/dmarc-none-to-rejecthttps://ownmailserver.com/guides/dmarc-none-to-rejectMon, 26 Oct 2026 12:00:00 GMTGet to DMARC p=reject safely: a phased rollout from p=none through quarantine, how to read aggregate reports, how pct works and when to set sp= for subdomains.