Free eMail service Providers like yahoo, rediff greatly depend on reputation of IP that you send from. They also monitor the open rate history of your mails by the end users.
Gmail operates little differently. The way Gmail classifies spam depends heavily on reports from our users. Gmail users can mark and unmark any message as spam, at any time. To increase the inbox delivery rate of your messages, make sure that all recipients on your distribution lists actually want to receive the mail. Visit the following sections for some tips on how to make sure your messages are welcomed by Gmail users.
To ensure that Gmail can identify you:
We also recommend publishing an SPF record and signing with DKIM. We do not authenticate DKIM3 using less than a 1024-bit key.
By authenticating, inline images you send will be shown automatically. Recipients will not need to click the "Display images below" link.
Each user on your distribution list should opt to receive messages from you in one of the following ways (opt-in):
We also recommend that you verify each email address before subscribing them to your list.
The following methods of address collection are not considered 'opt-in' and are not recommended:
A user must be able to unsubscribe from your mailing list through one of the following means:
Because Gmail, yahoo, rediff can help users automatically unsubscribe from your email, we strongly recommend the following:
To help ensure that your messages aren't flagged as spam, we also recommend that you:
It's possible that your users forward mail from other accounts, so we recommend that you:
While Gmail, yahoo, rediff works hard to deliver all legitimate mail to a user's inbox, it's possible that some legitimate messages may be marked as spam. Gmail does not accept 'whitelisting' requests from bulk senders, and they can't guarantee that all of your messages will bypass spam filters. To make sure users receive all the mail they'd like to, gmail has provided them with a method for sending us feedback about messages flagged as spam -- users have the option of clicking a 'Not spam' button for each message flagged by it’s spam filters. Gmail listen to users' reports, and correct problems in order to provide them with the best user experience. As long as users don't consider your mail as spam, you shouldn't have inbox delivery problems.
There are two important factors that, under normal circumstances, help messages arrive in Gmail users' inboxes:
If you send both promotional mail and transactional mail relating to your organization, we recommend separating mail by purpose as much as possible. You can do this by:
By using these tips, it's more likely that the important transactional mail will be delivered to a user's inbox. Our guidelines are meant to help you build a good reputation within the Gmail, yahoo & rediff system, resulting in continual delivery to inboxes.
If you are sending mail in accordance with these guidelines and Gmail, yahoo rediff will certainly try and deliver the mail to INBOX