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My mass emails are rejected

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by cblakeley

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We are trying to create an opt-in email newsletter for the members of our congregation, but when we send out an email, many come back as undeliverable. Upon checking the addresses, most are correct. I have been told that some of the larger ISPs willfilter incoming email if too many come from a single IP address. Is that true? If it is, what is a good workaround.

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by thechas

First, make sure that your ISP is not blocking the sent mail as spam.
Many ISPs have anti-spam policies, and will block mass mailings.

Next, calculate the size of your total mailing.
Are you exceeding the size of your alloted mail space at yourISP?
Does your ISP have a limit on the bytes of mail that you can send at one time?

Now, for a work-around, split your address list into sections. Depending on the size of the list, you may need to go so far as to breakup letters of the alphabet.

Then, send out your mail with a sufficient time between groups for both your outgoing mailbox, and the incomming mailboxes at the ISPs to clear.

I had a problem recently with the ISP that some of my friends use. It was rejecting my mails because of a handling error generated by a combination of an Outlook Express update, and how my ISP formated the mail address.

Chas

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