appwiki:email

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appwiki:email [2022/07/31 10:58] (current) – [Problem and Solution] ying
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 +====== Email Server Connection ======
  
 +  * Email server connection made of
 +    * username
 +    * password
 +    * incoming server url & port & security type
 +    * SMTP outgoing server url& port & security type
 +
 +  * email retrieval connection methods
 +    * POP3 is good for using email server as like a catch mailbox, like with option to keep or not keep email copy on email server
 +    * IMAP is good for using email server as like a sync center including folders
 +    * ref video: http://www.youtube.com/watch?v=GcvdhjLVYfY
 +====== Email Server configuration ======
 +
 +  * Email Server configuration is also associated with domain management, you need access the DNS settings to see all the related records to set up.
 +    * mx record details can be found at Domain DNS setting > DNS zone files list > TXT record (includes SPF)
 +
 +  * SPF record
 +    * sender-policy-framework record is a text configure defining email activity on this email server, for others to verify whether this server's email is truely from this email server.
 +    * it helps avoid email sent from this email server been marked as junk/spam by others
 +
 +  * SPF record setup guide for email sending to Hotmail. Yahoo, Gmail
 +    * all record should be ended with "-all" instead of "~all or ?all" to confirm verification tightness, like <code>"v=spf1 a mx ptr include:yourEmailServerURL.com -all "</code>
 +    * ref: http://help.directadmin.com/item.php?id=207
 +    * tool for check current SPF: 
 +      * http://www.kitterman.com/spf/validate.html
 +      * https://mxtoolbox.com/SuperTool.aspx
 +    * SPF record syntax : http://www.openspf.org/SPF_Record_Syntax
 +    * SPF readup: https://www.digitalocean.com/community/tutorials/how-to-use-an-spf-record-to-prevent-spoofing-improve-e-mail-reliability
 +    * SPF video intro: http://www.youtube.com/watch?v=AFlXF6gPQGU
 +    * google email server example: https://support.google.com/a/answer/178723?hl=en
 +
 +  * mx record
 +    * mail exchange record, tells others where the host's email server is.
 +
 +  * record check website:
 +    * https://dnschecker.org/all-dns-records-of-domain.php
 +
 +====== external email server connection ======
 +
 +  * use MX record + verify for linking google: https://support.google.com/a/answer/174125
 +
 +====== Reference ======
 +
 +  * how email server works: http://www.youtube.com/watch?v=1X3dX2JEhLE
 +  * max email can send per host:
 +    * https://docs.mailpoet.com/article/49-lists-of-hosts-and-their-sending-limits
 +    * https://sg.godaddy.com/help/hosting-email-relay-limits-27150
 +      * (cpanel: 500 per hr, plesk: 1000 per day, mgt wp: 1000 per day)
 +====== Email Client ======
 +
 +| Mail for Windows (Windows Live Mail) | free | [[https://www.microsoft.com/en-us/store/p/mail-and-calendar/9wzdncrfhvqm|download]] | [[https://www.lifewire.com/use-signatures-in-windows-10-mail-4123784|how to add signature and logo (text)]] and [[https://www.youtube.com/watch?v=tqBi2h44SDo|video guide]] \\ [[https://www.youtube.com/watch?v=5BojigJzUGg|How to add POP IMAP emaill account (video)]] |
 +| ThunderBird | free | [[https://www.mozilla.org/en-US/thunderbird/|download]] | [[https://www.youtube.com/watch?v=ZoqxWvLXJqA|how to add signature and logo (videp)]] |
 +| Outlook for Office | office paid subscription |  | [[https://www.youtube.com/watch?v=K0zG1oK-8pg|how to add signature and logo (video)]] |
 +
 +====== Problem and Solution ======
 +
 +  * Problem Mass delivery fail (1000+)
 +    * solution: as it may be exceed server email sending limit, or maybe your email account info is stolen and been used by other for spamming. Change email password.
 +  * spam filter setup
 +    * cpanel > global email filters, create filter 
 +      * rule: spam status - begins with: Yes
 +      * discard message