SMTP Relay & Transactional articles

SMTP Relay & Transactional 386 A contact form that actually reaches your inbox Building the form is the easy part: any plugin draws one in ten minutes. The hard part, and the one that loses...
SMTP Relay & Transactional 261 SMTP relay through a smarthost: sending mail from a VPS or from an application This article is for people with a VPS or server with root access, or an application that sends e-mail. The short...
SMTP Relay & Transactional 30 Transactional e-mail: the invoices, confirmations and password resets your system sends on its own The short answer: a transactional e-mail is one your system sends to one person, because of something they did or...
SMTP Relay & Transactional 23 Getting started with Email Center: turn it on, verify your domain and send your first e-mail The short answer: three steps. Turn on Email Center on the Transactional e-mail page in Meu Interweb, verify your...
SMTP Relay & Transactional 32 Adding a sender domain to Email Center: the DKIM, SPF and DMARC records to publish The short answer: add the domain on the Transactional e-mail page in Meu Interweb (or with POST /v1/email/domains)...
SMTP Relay & Transactional 27 Sender domain not verified in Email Center: propagation, the found field and usual mistakes The short answer: the domain becomes verified once the three DKIM records are live. If it stays unverified, it is...
SMTP Relay & Transactional 30 The MAIL FROM subdomain in Email Center: your own return path and SPF aligned for DMARC The short answer: MAIL FROM is the return path, where bounces go. By default it is ours. If you set a subdomain of...
SMTP Relay & Transactional 36 Sending a transactional e-mail through the API: the fields of POST /v1/email/messages The short answer: an e-mail is a POST /v1/email/messages request with a sender on a verified domain, the recipients,...
SMTP Relay & Transactional 34 Transactional e-mail templates with variables: write once, fill in each customer's details The short answer: a template stores the subject and the body (HTML, text or both) with variables such as {{name}}....
SMTP Relay & Transactional 31 Attaching invoices and tickets to a transactional e-mail: base64, size limit and refused files The short answer: attachments go in the attachments field of the request itself, in base64, each with the file name...
SMTP Relay & Transactional 27 To, Cc, Bcc and Reply-To in transactional e-mail: how many recipients and what each one costs The short answer: to, cc and bcc take one address, a comma-separated list or an array, with at most 50 recipients...
SMTP Relay & Transactional 36 Scheduling a transactional e-mail with send_at, and cancelling it before it goes out The short answer: add the send_at field to the request, with the date and time in ISO 8601 including the time zone,...
SMTP Relay & Transactional 27 Sending transactional e-mails in a batch: one request, many messages and the result of each The short answer: POST /v1/email/messages/batch sends many e-mails in one request. Fields outside messages apply to...
SMTP Relay & Transactional 31 Transactional e-mail statuses: sent, delivered, bounced, complained and failed explained The short answer: every e-mail moves through statuses, and every recipient has their own events. The ones that...
SMTP Relay & Transactional 24 The Email Center log: finding an e-mail, filtering it and why the content goes after 30 days The short answer: every e-mail is logged: who it went to, when it left and what happened to it. You see it in the...
SMTP Relay & Transactional 26 The Email Center suppression list: why an address stops receiving and how to remove it The short answer: addresses on the suppression list never receive your e-mails. They join on their own after a...
SMTP Relay & Transactional 24 Email Center statistics: delivery, bounce and complaint rates, and what they tell you The short answer: statistics show your sends by status and by day, with three rates: delivery, bounce and complaint....
SMTP Relay & Transactional 25 Email Center webhooks: receiving delivery, bounce and complaint events in your system The short answer: save an HTTPS address with PUT /v1/email/webhook and choose the events: email.sent,...
SMTP Relay & Transactional 27 Testing transactional e-mail without sending: Sandbox keys, test mode and simulated bounces The short answer: with a key that starts with sandbox_, nothing is sent or charged. The e-mail becomes simulated,...
SMTP Relay & Transactional 34 Email Center API errors: email_account_required, all_recipients_suppressed and other reasons The short answer: the HTTP code tells you the kind of problem and the details.reason field tells you the exact...
SMTP Relay & Transactional 30 Email Center credits and the daily limit: what a credit pays for and when it comes back The short answer: one credit is one e-mail to one recipient. Email Center is prepaid with no monthly fee: you buy...
SMTP Relay & Transactional 30 Password reset, order and invoice e-mails: what a good transactional message says, with examples The short answer: a good transactional e-mail says in the subject what happened, comes from the same sender every...
SMTP Relay & Transactional 37 SMTP Relay: an SMTP server for the automatic e-mails of your site, system or device The short answer: SMTP Relay is our SMTP server, used by your website, your business system or a device to send its...
SMTP Relay & Transactional 37 Getting started with SMTP Relay: verify the domain, create a credential, connect your program The short answer: three steps, all in the Email Center (the transactional e-mail page in Meu Interweb): verify the...
SMTP Relay & Transactional 41 SMTP Relay in any program: what Host, Port, Encryption, Username and From mean on each screen The short answer: the details are always the same four (server, port, username and password) plus the sender, but...
SMTP Relay & Transactional 34 One SMTP credential per program: naming, organising and revoking only the one you stop using The short answer: create one SMTP credential for each program (the website, the ERP, the front desk printer) and...
SMTP Relay & Transactional 34 Which sender addresses SMTP Relay accepts: verified domains, several domains, name and Reply-To The short answer: SMTP Relay sends from any address on a domain you have verified in the Email Center, and you can...
SMTP Relay & Transactional 34 A domain that already has mailboxes: adding SMTP Relay with a single SPF record The short answer: if the domain already has mailboxes, it already has an SPF record, and a domain can only have one....
SMTP Relay & Transactional 37 SMTP Relay not sending: connection, TLS, login, sender and recipient problems, one by one The short answer: nearly every problem falls into one of five drawers: cannot connect to the server, TLS error,...
SMTP Relay & Transactional 35 Printers, scanners and other devices that send e-mail: connecting them to SMTP Relay The short answer: multifunction printers, camera recorders, alarms, UPS units and NAS boxes that send alerts by...
SMTP Relay & Transactional 32 Invoices and documents from your ERP or billing software by e-mail, through SMTP Relay The short answer: the ERP or billing program that already e-mails invoices only needs different SMTP details: the...
SMTP Relay & Transactional 35 The program says sent, the customer got nothing: finding SMTP e-mails in the Email Center log The short answer: when the program says «sent», it means SMTP Relay accepted the e-mail, not that it arrived. The...
SMTP Relay & Transactional 33 Your application sends from a mailbox: when to switch it to SMTP Relay The short answer: having your site or system send with the username and password of a mailbox works for low volumes,...
SMTP Relay & Transactional 37 Testing an SMTP credential before going live: a test e-mail from the command line This article is for people with access to a command line (a VPS, the cPanel terminal when the account has SSH, or...
SMTP Relay & Transactional 32 SMTP Relay for agencies and developers: many client sites, each with its own credential The short answer: if you build and maintain websites for clients, you can connect all of them to SMTP Relay with one...