{"eid":"smtp2go","name":"SMTP2GO","domain":"smtp2go.com","resolved_by":"domain","topics":["email"],"n_records":1,"best_vorder":1,"review":null,"aliases":["SMTP2GO","smtp2go.com"],"records":[{"rid":"email/smtp2go","card":{"rid":"email/smtp2go","eid":"smtp2go","topic":"email","slug":"smtp2go","provider":"SMTP2GO","url":"https://www.smtp2go.com/pricing/","domain":"smtp2go.com","category":"transactional sender and SMTP relay","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","self_hosted":0,"confidence":"documented","binding":"request-rate","identity_kind":"any-phone","identity_basis":"stated","needs_card":0,"needs_phone":1,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest,cli","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-30T09:26:49.192Z","verified_basis":"live","checked_on":"2026-10-30","stale_on":"2026-11-30","n_evidence":15,"usd_month":null,"usd_per_tb_month":null,"summary":"1,000 emails/month, 200/day, and 25/hour until a sender domain is verified","duplicate_of":null,"n_unknown":0,"free_unit":"requests"},"record":{"topic":"email","slug":"smtp2go","provider":"SMTP2GO","url":"https://www.smtp2go.com/pricing/","category":"transactional sender and SMTP relay","free_tier":{"stated":"1,000 emails/month, 200/day, and 25/hour until a sender domain is verified","unit":"requests","metered_on":"request-count","source_url":"https://developers.smtp2go.com/docs/rate-limiting","read_on":"2026-10-22","notes":"Sends above the daily limit are queued and released as the daily quota allows; past 1,000 in a month further sends are rejected. Up to 5 sender domains or single sender emails can be verified, and while no sender domain is verified the account is held to 25 per hour. A send from an unverified sender is rejected and still counts toward the monthly quota. Reporting covers the past 5 days, and support is ticket-only after 14 days. The free plan's page names no restriction on recipients."},"per_object_cap":{"stated":"not applicable","bytes":null,"notes":""},"retention":{"stated":"5 days of reporting on the free plan, against 30 on paid","days":null,"notes":"","source_url":"https://www.smtp2go.com/pricing/"},"egress":{"terms":"not applicable: an outbound sender","metered":false,"free_allowance":null,"price_per_tb":null,"source_url":"https://www.smtp2go.com/pricing/"},"interface":["rest","cli"],"tooling":"any SMTP client","chaining":"a 200/day relay with an hourly floor, so it composes with a sender that bursts rather than one that schedules.","limits":[{"kind":"request-rate","value":"200 emails per day","source":"https://developers.smtp2go.com/docs/rate-limiting"},{"kind":"request-rate","value":"25 per hour while no sender domain is verified","source":"https://developers.smtp2go.com/docs/rate-limiting"},{"kind":"request-rate","value":"1,000 emails per month","source":"https://developers.smtp2go.com/docs/rate-limiting"}],"identity_cost":{"kind":"any-phone","detail":"The free-plan signup asks for a work email at a private domain (addresses at public domains such as Gmail and Yahoo are refused), a full name, a company, a password and a contact phone number verified by a 5 digit SMS code; no card. Sending needs a verified sender domain or a verified single sender email, and a Gmail address cannot be verified as a single sender, so in practice the account needs a domain the sender controls.","country":null},"reliability_note":"new paid accounts are held at 1,000/day during a one-time review","confidence":"documented","evidence":[{"url":"https://developers.smtp2go.com/docs/rate-limiting","date":"2026-10-22","proved":"'The free plan allows 1,000 emails per month and has a limit of 200 emails per day (a 25-per-hour limitation also applies if no sender domains are verified)'"},{"url":"https://www.smtp2go.com/pricing/","date":"2026-10-22","proved":"'Try SMTP2GO free for as long as you like' and 'over 1,000 emails/month' for paid"},{"url":"probe:smtp://mail.smtp2go.com:2525","date":"2026-10-22","proved":"banner 250 on port 2525, EHLO advertises SIZE and 8BITMIME, STARTTLS completed, and AUTH LOGIN returned 334. The submission endpoint answers; no message was sent"},{"url":"https://www.smtp2go.com/pricing/","date":"2026-10-30","proved":"the free-account signup form asks for a contact phone number and verifies it with an SMS code","capture":"sha256:ff3eb98627168feecf66bd3d54bd2c82d2ee0d7e5f423b5e105523faafbf33ab","quote":"We'll send you a 5 digit code via SMS to verify your account."},{"url":"https://www.smtp2go.com/pricing/","date":"2026-10-30","proved":"the free-account signup refuses an email at a public domain; the same form asks for full name, company, password and a contact phone number with an SMS code","capture":"sha256:ff3eb98627168feecf66bd3d54bd2c82d2ee0d7e5f423b5e105523faafbf33ab","quote":"Sorry, we don’t allow email addresses at public domains such as Gmail and Yahoo."},{"url":"https://www.smtp2go.com/blog/know-your-sending-limits","date":"2026-10-30","proved":"the free plan is opened without a credit card","capture":"sha256:948071dde3f95bc7fc158b04e8a69e8ea997bec26dac6647deba14511bb3bc5a","quote":"Start free (1,000 emails/month, no credit card)"},{"url":"https://support.smtp2go.com/hc/en-gb/articles/12747932085145-Quick-Start-Guide","date":"2026-10-30","proved":"an account needs an address at a domain of its own; shared domains such as Gmail, Outlook and Yahoo are not accepted","capture":"sha256:66fb8ee707b2e739e920ecaa9b29fe8350e253c771cbdcf0c5aa71c8fff6cbd0","quote":"If you do not have a domain, you will need to purchase one to use with SMTP2GO"},{"url":"https://support.smtp2go.com/hc/en-gb/articles/12747932085145-Quick-Start-Guide","date":"2026-10-30","proved":"sending is authorised only from a verified sender domain or a verified single sender email","capture":"sha256:66fb8ee707b2e739e920ecaa9b29fe8350e253c771cbdcf0c5aa71c8fff6cbd0","quote":"Verifying your senders is mandatory and the way to authorize sending via the account."},{"url":"https://www.smtp2go.com/blog/registering-a-verified-sender-is-now-a-required-action/","date":"2026-10-30","proved":"a Gmail address cannot be verified as a single sender email","capture":"sha256:a553e1991e8a4f21396fa1876b51536a1d2eccd4015d1472d18e49c9806b159c","quote":"Note that this excludes Gmail, due to their DMARC record, which prevents third-party servers from sending emails on their behalf."},{"url":"https://support.smtp2go.com/hc/en-gb/articles/223087947-Free-Plan","date":"2026-10-30","proved":"the free plan verifies up to 5 senders; the same page gives the daily queue, the monthly rejection, the 25-per-hour hold, 5 days of reporting and ticket-only support after 14 days, and lists no recipient restriction","capture":"sha256:ecac928fdac69dab71085bca3aa45b4cb9f2f9391f8710e68503dbbbcaddf4e6","quote":"The free plan allows up to 5 sender domains or single sender email addresses to be added (paid plans do not have a limit)."},{"url":"https://www.smtp2go.com/blog/registering-a-verified-sender-is-now-a-required-action/","date":"2026-10-30","proved":"a send from an unverified sender is rejected and counts toward the monthly quota","capture":"sha256:a553e1991e8a4f21396fa1876b51536a1d2eccd4015d1472d18e49c9806b159c","quote":"It’s important to note that rejected attempts will still count toward the account’s monthly email quota."},{"url":"https://support.smtp2go.com/hc/en-gb/articles/223087947-Free-Plan","date":"2026-10-30","proved":"free-plan reporting covers 5 days against 30 on paid plans","capture":"sha256:ecac928fdac69dab71085bca3aa45b4cb9f2f9391f8710e68503dbbbcaddf4e6","quote":"Customers on the free plan can access reporting on the Activity page for the past 5 days and paying customers can access reporting for 30 days"},{"url":"https://developers.smtp2go.com/docs/rate-limiting","date":"2026-10-30","proved":"new paid accounts are held at 1,000 per day until the one-time review completes","capture":"sha256:7ffa4fdc442a3debb2e3e7dc551a733fcef1d83ebca17124b96e3ee90a1e4604","quote":"The initial sending quota for all new paid accounts is temporarily 1,000 emails per day."},{"url":"https://support.smtp2go.com/hc/en-gb/articles/12747932085145-Quick-Start-Guide","date":"2026-10-30","proved":"the account sends over SMTP at mail.smtp2go.com or through the API","capture":"sha256:66fb8ee707b2e739e920ecaa9b29fe8350e253c771cbdcf0c5aa71c8fff6cbd0","quote":"The most common form of sending is using SMTP in your existing application."},{"url":"https://developers.smtp2go.com/docs/rate-limiting","date":"2026-10-30","proved":"the free plan is still 1,000 per month, 200 per day and 25 per hour until a sender domain is verified","capture":"sha256:7ffa4fdc442a3debb2e3e7dc551a733fcef1d83ebca17124b96e3ee90a1e4604","quote":"The free plan allows 1,000 emails per month and has a limit of 200 emails per day (a 25-per-hour limitation also applies if no sender domains are verified)."}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-30T09:26:49.192Z","notes":"Three stacked caps on one product, and the hourly one is on the developer page but not on the pricing table.","extras":{"stale_after_days":90},"binding":"request-rate","binding_note":"25/hour is 600/day if sustained and is the first ceiling a new signup meets, before the 200/day or the 1,000/month.","interface_detail":"SMTP and the SMTP2GO API","confidence_note":"no message was sent, so no delivery is proved. The submission path was probed: mail.smtp2go.com:2525 answered 250, STARTTLS completed, and AUTH LOGIN returned 334"},"claims":[{"path":"$.free_tier","kind":"has-free-tier","num":1.0,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[2].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[],"history":[],"drift":[]}]}